1.  pore(n = noun.shape) - any tiny hole admitting passage of a liquid (fluid or gas);
is a kind of hole
Derived forms adjective poriferous₁, adjective porous₃

2.  pore(n = noun.body) - any small opening in the skin or outer surface of an animal;
is a kind of canal, channel, duct, epithelial duct
is a part of cutis, skin, tegument
has particulars: ostiole
Derived forms adjective poriferous₁, adjective porous₂

3.  pore(n = noun.plant) stoma, stomate - a minute epidermal pore in a leaf or stem through which gases and water vapor can pass;
is a kind of aperture
has particulars: germ pore, hydathode, water pore, water stoma, lenticel

   pore(v = verb.cognition) center, centre, concentrate, focus, rivet - direct one's attention on something; "Please focus on your studies and not on your hobbies"
is one way to cerebrate, cogitate, think
Sample sentences: Somebody ----s on something

1.  One of the minute orifices in an animal or vegetable membrane, for transpiration, absorption, etc. [1913 Webster]

2.  A minute opening or passageway; an interstice between the constituent particles or molecules of a body; as, the pores of stones. [1913 Webster]

   To look or gaze steadily in reading or studying; to fix the attention; to be absorbed; -- often with on or upon, and now usually with over. Shak. [1913 Webster]
"The eye grows weary with poring perpetually on the same thing." [1913 Webster]

pore, n. esp. Biol. a minute opening in a surface through which gases, liquids, or fine solids may pass.

pore, v.intr. (foll. by over)
1 be absorbed in studying (a book etc.).
2 meditate on, think intently about (a subject).

Etymology:
ME pure etc. perh. f. OE purian (unrecorded): cf. PEER(1)

N  opening, hole, foramen, puncture, perforation, fontanel, transforation, pinhole, keyhole, loophole, porthole, peephole, mousehole, pigeonhole, eye of a needle, eyelet, slot, opening, aperture, apertness, hiation, yawning, oscitancy, dehiscence, patefaction, pandiculation, chasm, embrasure, window, casement, abatjour, light, sky light, fan light, lattice, bay window, bow window, oriel, dormer, lantern, outlet, inlet, vent, vomitory, embouchure, orifice, mouth, sucker, muzzle, throat, gullet, weasand, wizen, nozzle, placket, portal, porch, gate, ostiary, postern, wicket, trapdoor, hatch, door, arcade, cellarway, driveway, gateway, doorway, hatchway, gangway, lich gate, way, path, thoroughfare, channel, passage, passageway, tube, pipe, water pipe, air pipe, vessel, tubule, canal, gut, fistula, adjutage, ajutage, ostium, smokestack, chimney, flue, tap, funnel, gully, tunnel, main, mine, pit, adit, shaft, gallery, alley, aisle, glade, vista, bore, caliber, pore, blind orifice, fulgurite, thundertube, porousness, porosity, sieve, cullender, colander, cribble, riddle, screen, honeycomb, apertion, perforation, piercing, terebration, empalement, pertusion, puncture, acupuncture, penetration, key, opener, master key, password, combination, passe- partout, open, perforated, perforate, wide open, ajar, unclosed, unstopped, oscitant, gaping, yawning, patent, tubular, cannular, fistulous, pervious, permeable, foraminous, vesicular, vasicular, porous, follicular, cribriform, honeycombed, infundibular, riddled, tubulous, tubulated, piped, tubate, opening, aperient, Int, open sesame!.

N  egress, exit, issue, emersion, emergence, outbreak, outburst, eruption, proruption, emanation, egression, evacuation, exudation, transudation, extravasation, perspiration, sweating, leakage, percolation, distillation, oozing, gush, outpour, outpouring, effluence, effusion, effluxion, drain, dribbling, defluxion, drainage, outcome, output, discharge, export, expatriation, emigration, remigration, debouch, debouche, emunctory, exodus, emigrant, outlet, vent, spout, tap, sluice, floodgate, pore, vomitory, outgate, sally port, way out, mouth, door, path, conduit, airpipe, effused, outgoing.

N  conduit, channel, duct, watercourse, race, head race, tail race, abito, aboideau, aboiteau, bito, acequia, acequiador, acequiamadre, arroyo, adit, aqueduct, canal, trough, gutter, pantile, flume, ingate, runner, lock-weir, tedge, vena, dike, main, gully, moat, ditch, drain, sewer, culvert, cloaca, sough, kennel, siphon, piscina, pipe, funnel, tunnel, water pipe, waste pipe, emunctory, gully hole, artery, aorta, pore, spout, scupper, adjutage, ajutage, hose, gargoyle, gurgoyle, penstock, weir, flood gate, water gate, sluice, lock, valve, rose, waterworks, pipeline, vascular.

germ pore, pore fungus, pore mushroom, pore over, water pore