malleiform,a.|ˈmæliːɪfɔːm| [ad.mod.L. malleiform-is, f.malleus hammer: see -form.] Having the form of a hammer. 1856in Mayne Expos.Lex.1877Huxley Anat.Inv.Anim. v. 238 In some species of Polynöe, the parapodia give rise..to large, richly ciliated, malleiform tubercles.