[1] : The Collaborative International Dictionary of English v.0.48

jib \jib\, v. i. connected with jibe; cf. of. giber to shake.
   to move restively backward or sidewise, -- said of a horse;
   to balk. written also jibb. eng.
   1913 webster jib
see also:
jibb 

[2] : The Collaborative International Dictionary of English v.0.48

jib \jib\, v. t.  i. imp.  p. p. jibbed; p. pr.  vb. n.
   jibbing. also jibb \jibb\ cf. jib a sail, gybe.
   chiefly naut.
   to shift, or swing round, as a sail, boom, yard, etc., as in
   tacking.
   webster 1913 suppl.
see also:
jibbed jibbing jib gybe 

Jibb >> J Words
Jibb, definition of term: Jibb
jibb_pag1.html