calf bone calf • calfbound · · · Info · Definitions · Synonyms · Characters · · calf bone · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) the outer and thinner of the two bones of the human leg between the knee and ankle. Synonyms: fibula, calf bone. · · Noun Definition 1 Synonyms · · · fibula · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F