Source : Webster's Revised Unabridged Dictionary (1913)

Funk \Funk\, n.
   One who funks; a shirk; a coward. [Colloq.]

Funk \Funk\, v. t.
   1. To funk at; to flinch at; to shrink from (a thing or
      person); as, to funk a task. [Colloq.]

   2. To frighten; to cause to flinch. [Colloq.]

Funk \Funk\, v. i.
   1. To emit an offensive smell; to stink.

   2. To be frightened, and shrink back; to flinch; as, to funk
      at the edge of a precipice. [Colloq.] --C. Kingsley.

   {To funk out}, to back out in a cowardly fashion. [Colloq.]

            To funk right out o' political strife. --Lowell
                                                  (Biglow
                                                  Papers).

Funk \Funk\, Funking \Funk"ing\, n.
   A shrinking back through fear. [Colloq.] ``The horrid panic,
   or funk (as the men of Eton call it).'' --De Quincey.

Funk \Funk\, n. [OE. funke a little fire; akin to Prov. E. funk
   touchwood, G. funke spark, and perh. to Goth. f?n fire.]
   An offensive smell; a stench. [Low]

Funk \Funk\, v. t.
   To envelop with an offensive smell or smoke. [Obs.] --King.

Source : WordNet®

funk
     n 1: a state of nervous depression; "he was in a funk" [syn: {blue
          funk}]
     2: United States biochemist (born in Poland) who showed that
        several diseases were caused by dietary deficiencies and
        who coined the term `vitamin' for the chemicals involved
        (1884-1967) [syn: {Casimir Funk}]
     v : draw back, as with fear or pain; "she flinched when they
         showed the slaughtering of the calf" [syn: {flinch}, {squinch},
          {cringe}, {shrink}, {wince}, {recoil}, {quail}]