The Collaborative International Dictionary
Unbit
Unbit \Un*bit"\, v. t. [imp. & p. p. Unbitted; p. pr. & vb. n.
Unbitting.] [1st pref. un- + bit.] (Naut.)
To remove the turns of (a rope or cable) from the bits; as,
to unbit a cable.
--Totten.
Wiktionary
unbit
vb. (context nautical transitive English) To remove the turns of (a rope or cable) from the bits.