Source : Webster's Revised Unabridged Dictionary (1913)

Prow \Prow\, a. [Compar. {Prower}; superl. {Prowest}.] [OF.
   prou, preu, F. preux, fr. L. pro, prod, in prodesse to be
   useful. See {Pro-}, and cf. {Prude}.]
   Valiant; brave; gallant; courageous. [Archaic] --Tennyson.

         The prowest knight that ever field did fight.
                                                  --Spenser.

Prow \Prow\, n. [OE. & OF. prou. See {Prow}, a.]
   Benefit; profit; good; advantage. [Obs.]

         That shall be for your hele and for your prow.
                                                  --Chaucer.

Prow \Prow\, n. [F. proue (cf. Sp. & Pg. proa, It. prua), L.
   prora, Gr. ?, akin to ? before. See {Pro-}, and cf. {Prore}.]
   The fore part of a vessel; the bow; the stem; hence, the
   vessel itself. --Wordsworth.

         The floating vessel swum Uplifted, and secure with
         beaked prow rode tilting o'er the waves. --Milton.

Prow \Prow\, n.
   See {Proa}.

Source : WordNet®

prow
     n : front part of a vessel or aircraft; "he pointed the bow of
         the boat toward the finish line" [syn: {bow}, {fore}, {stem}]