1.  buff(n = noun.person) devotee, fan, lover - an ardent follower and admirer;
is a kind of follower
is a member of followers, following
has particulars: aerophile, aficionado, amorist, bacchanal, bacchant, groupie, metalhead

2.  buff(n = noun.substance) - a soft thick undyed leather from the skins of e.g. buffalo or oxen;
is a kind of leather

3.  buff(n = noun.body) - bare skin; naked; "swimming in the buff"
is a kind of cutis, skin, tegument

4.  buff(n = noun.attribute) caramel, caramel brown, raw sienna, yellowish brown - a medium to dark tan color;
is a kind of brown, brownness
has particulars: snuff-color, snuff-colour

5.  buff(n = noun.artifact) buffer - an implement consisting of soft material mounted on a block; used for polishing (as in manicuring);
is a kind of implement
Derived form verb buff₂

1.  buff(v = verb.contact) buffet - strike, beat repeatedly; "The wind buffeted him"
is one way to hit
Sample sentences: Somebody ----s something; Somebody ----s somebody

2.  buff(v = verb.contact) burnish, furbish - polish and make shiny; "buff the wooden floors"; "buff my shoes"
is one way to polish, shine, smooth, smoothen
Derived forms noun buff₅, noun buffer₇, noun buffer₅
Sample sentences: They buff the glass tubes

   buff(s = adj.all) - of the yellowish-beige color of buff leather;

1.  A sort of leather, prepared from the skin of the buffalo, dressed with oil, like chamois; also, the skins of oxen, elks, and other animals, dressed in like manner. Shak. [1913 Webster]

2.  The color of buff; a light yellow, shading toward pink, gray, or brown. [1913 Webster]
"A visage rough,
Deformed, unfeatured, and a skin of buff." [1913 Webster]

3.  A military coat, made of buff leather. Shak. [1913 Webster]

4.  The grayish viscid substance constituting the buffy coat. See Buffy coat, under Buffy, a. [1913 Webster]

5.  A wheel covered with buff leather, and used in polishing cutlery, spoons, etc. [1913 Webster]

6.  The bare skin; as, to strip to the buff. [1913 Webster]
"To be in buff is equivalent to being naked." [1913 Webster]

1.  Made of buff leather. Goldsmith. [1913 Webster]

2.  Of the color of buff. [1913 Webster]

   to polish with a soft cloth, especially one similar to a buff{5}. See Buff, n., 5. [1913 Webster]

   To strike. B. Jonson. [1913 Webster]

   A buffet; a blow; -- obsolete except in the phrase “Blindman's buff.” See blindman's buff. [1913 Webster]
"Nathless so sore a buff to him it lent
That made him reel." [1913 Webster]

   Firm; sturdy. [1913 Webster]
"And for the good old cause stood buff,
'Gainst many a bitter kick and cuff." [1913 Webster]

buff, adj., n., & v.
--adj. of a yellowish beige colour (buff envelope).
--n.
1 a yellowish beige colour.
2 colloq. an enthusiast, esp. for a particular hobby (railway buff).
3 colloq. the human skin unclothed.
4 a a velvety dull-yellow ox-leather. b (attrib.) (of a garment etc.) made of this (buff gloves).
5 (the Buffs) the former East Kent Regiment (from the colour of its uniform facings).
--v.tr.
1 polish (metal, fingernails, etc.).
2 make (leather) velvety like buff, by removing the surface.

Idiom:
buff-stick a stick covered with buff and used for polishing. in the buff colloq. naked.

Etymology:
orig. sense 'buffalo', prob. f. F buffle; sense 2 of n. orig. f. buff uniforms formerly worn by New York volunteer firemen, applied to enthusiastic fire-watchers

blind man's buff, blindman's buff, in the buff