1.  founder(n = noun.state) laminitis - inflammation of the laminated tissue that attaches the hoof to the foot of a horse;
is a kind of inflammation, redness, rubor

2.  founder(n = noun.person) beginner, father, founding father - a person who founds or establishes some institution; "George Washington is the father of his country"
is a kind of conceiver, mastermind, originator
has particulars: cofounder, coloniser, colonizer, foundress
Derived forms verb found₂, verb found₁

3.  founder(n = noun.person) - a worker who makes metal castings;
is a kind of skilled worker, skilled workman, trained worker
has particulars: bell founder

1.  founder(v = verb.social) fall flat, fall through, flop - fail utterly; collapse; "The project foundered"
is one way to fail, go wrong, miscarry
Sample sentences: The business is going to founder

2.  founder(v = verb.motion) - sink below the surface;
is one way to go down, go under, settle, sink
Derived form noun foundering₁
Sample sentences: Something ----s; Somebody ----s

3.  founder(v = verb.motion) break, cave in, collapse, fall in, give, give way - break down, literally or metaphorically; "The wall collapsed"; "The business collapsed"; "The dam broke"; "The roof collapsed"; "The wall gave in"; "The roof finally gave under the weight of the ice"
is one way to change
Sample sentences: Something ----s; Somebody ----s

4.  founder(v = verb.motion) - stumble and nearly fall; "the horses foundered"
is one way to stumble, trip
Sample sentences: Something ----s

   One who founds, establishes, and erects; one who lays a foundation; an author; one from whom anything originates; one who endows. [1913 Webster]

   One who founds; one who casts metals in various forms; a caster; as, a founder of cannon, bells, hardware, or types. [1913 Webster]

1.  To become filled with water, and sink, as a ship. [1913 Webster]

2.  To fall; to stumble and go lame, as a horse. [1913 Webster]
"For which his horse fearé gan to turn,
And leep aside, and foundrede as he leep." [1913 Webster]

3.  To fail; to miscarry. Shak. [1913 Webster]

   To cause internal inflammation and soreness in the feet or limbs of (a horse), so as to disable or lame him. [1913 Webster]

   A lameness in the foot of a horse, occasioned by inflammation; closh. James White. [1913 Webster]

founder, n. a person who founds an institution.

Derivative:
foundership n.

founder, v. & n.
--v.
1 a intr. (of a ship) fill with water and sink. b tr. cause (a ship) to founder.
2 intr. (of a plan etc.) fail.
3 intr. (of earth, a building, etc.) fall down or in, give way.
4 a intr. (of a horse or its rider) fall to the ground, fall from lameness, stick fast in mud etc. b tr. cause (a horse) to break down, esp. with founder.
--n.
1 inflammation of a horse's foot from overwork.
2 rheumatism of the chest-muscles in horses.

Etymology:
ME f. OF fondrer, esfondrer submerge, collapse, ult. f. L fundus bottom

VB  fail, be unsuccessful, not succeed, make vain efforts, do in vain, labor in vain, toil in vain, flunk, lose one's labor, take nothing by one's motion, bring to naught, make nothing of, wash a blackamoor white, roll the stones of Sisyphus, do by halves, lose ground, fall short of, miss, miss one's aim, miss the mark, miss one's footing, miss stays, slip, trip, stumble, make a slip, blunder, make a mess of, make a botch of, bitch it, miscarry, abort, go up like a rocket and come down like the stick, come down in flames, get shot down, reckon without one's host, get the wrong pig by the tail, get the wrong sow by the ear, limp, halt, hobble, titubate, fall, tumble, lose one's balance, fall to the ground, fall between two stools, flounder, falter, stick in the mud, run aground, split upon a rock, beat one's head against a stone wall, run one's head against a stone wall, knock one's head against a stone wall, dash one's head against a stone wall, break one's back, break down, sink, drown, founder, have the ground cut from under one, get into trouble, get into a mess, get into a scrape, come to grief, go to the wall, go to the dogs, go to pot, lick the dust, bite the dust, be defeated, have the worst of it, lose the day, come off second best, lose, fall a prey to, succumb, not have a leg to stand on, come to nothing, end in smoke, flat out, fall to the ground, fall through, fall dead, fall stillborn, fall flat, slip through one's fingers, hang fire, miss fire, flash in the pan, collapse, topple down, go to wrack and ruin, go amiss, go wrong, go cross, go hard with, go on a wrong tack, go on ill, come off ill, turn out ill, work ill, take a wrong term, take an ugly term, take an ugly turn, take a turn for the worse, be all over with, be all up with, explode, dash one's hopes, defeat the purpose, sow the wind and reap the whirlwind, jump out of the frying pan into the fire, go from the frying pan into the fire.

N  producer, originator, inventor, author, founder, generator, mover, architect, creator, prime mover, maker, prime mover.

VB  plunge, dip, souse, duck, dive, plump, take a plunge, take a header, make a plunge, bathe, submerge, submerse, immerse, douse, sink, engulf, send to the bottom, get out of one's depth, go to the bottom, go down like a stone, drop like a lead balloon, founder, welter, wallow.

bell founder, chest founder