jib boom Jew plum • jib crane · · · Info · Definitions · Synonyms · Characters · · jib boom · · Text Common · · Latin · · Scripts 8 · · Length Definitions · · · (noun) a spar that extends the bowsprit. Synonyms: jibboom. · · Noun Definition 1 Synonyms · · · resist · · Synonym 1 balk · · Synonym 2 baulk · · Synonym 3 jib · · Synonym 4 jibe · · Synonym 5 gybe · · Synonym 6 change course · · Synonym 7 Characters · · space U+0020 b latin small letter b U+0062 i latin small letter i U+0069 j latin small letter j U+006A m latin small letter m U+006D o latin small letter o U+006F