Măn'dĭ-bū'li-fôrm, a.
a. (Entom.) Having the form of a mandible or mandibles; — said especially of the lower jaws of an insect when hard and horny, and resembling in form the upper jaws.
a. (Entom.) Having the form of a mandible or mandibles; — said especially of the lower jaws of an insect when hard and horny, and resembling in form the upper jaws.