Source : Webster's Revised Unabridged Dictionary (1913)

Bitt \Bitt\, n. (Naut.)
   See {Bitts}.

Bitt \Bitt\, v. t. [See {Bitts}.] (Naut.)
   To put round the bitts; as, to bitt the cable, in order to
   fasten it or to slacken it gradually, which is called veering
   away. --Totten.

Source : WordNet®

bitt
     n : a strong post (as on a wharf or quay or ship for attaching
         mooring lines); "the road was closed to vehicular traffic
         with bollards" [syn: {bollard}]

bitt
     v : secure with a bitt; "bitt the ship line"