Măl'le-ŭs, n.
n. [Lat., hammer.] 1. (Anat.) The outermost of the chain of bones in the ear. One of its processes, called the handle, is fastened to the membrane of the drum.
Sense 2. (Microscopical Zoöl.) The hammer-shaped jaw in a mouth of the form called a mastax. See MASTAX.