MAM'MILLARY, adjective [Latin mamilla.] Pertaining to the paps; resembling a pap; an epithet applied to two small protuberances, like nipples, found under the fore ventricles of the brain, and to a process of the temporal bone. 1. In mineralogy, applied to minerals composed of convex concretions.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI