Mandibulous

Near its termination there may be observed, as in the mandibulous hook of spiders, a very minute orifice, or, according to some authors, two distinct fissures.

Source: wiktionary

The mouth is seen to be a space intervening between the maxillary and mandibulous plates and is lined with epiblast.

Source: wiktionary

Some months ago casts came to me from a friend in England, one showing six incisors in the deciduous mandibulous dentition of a child of about six years of age, and the other showing six incisors in the permanent dentition of the same patient at, I think, eighteen or twenty years of age.

Source: wiktionary

Ahead of them a group of mandibulous sales men had set up their combustion cups and incendiary ratchets to demonstrate their wares to whatever officers might come by.

Source: wiktionary