1 A manâs tactile sensitivity is limited to his genital region, the mouth and ears. 2  Their erogenous zones are also breeches and loin regions, shoulders and cervical spine, back of the head, eye area, underarms, inner surface of hips, nipples.
terra firma. A Latin phrase meaning firm ground, used to mean the land as opposed to the sea. Noun. 1. terra firma - the solid part of the earth's surface; the plane turned away from the sea and moved back over land; the earth shook for several minutes; he dropped the logs on the ground. dry land, ground, solid ground, earth, land.
Definition of firm. 1  transitive verb. 2  1a : to make secure or fast : tighten firming her grip on the racquet âoften used with upb : to make solid or compact firm the soil. 3  2 : to put into final form : settle firm a contract firm up plans. 4  3 : to give additional support to : strengthen âusually used with up. 5  intransitive verb.