in contact and in operation
Having the widest part of its presenting part, usually the head, enter the pelvic brim or inlet.
Greatly interested.
Busy or employed.
attached to a wall or sunk into it halfway
(of a telephone) Already involved in a telephone call when a third party calls.
being attacked or attacking
Having agreed to marry a particular person (one's fiancé or fiancée) or each other.
Synonym of engagé (“passionately committed to a cause”)
That operates to produce an effect.
Any of a class of behaviors that produce consequences by operating (i.e., acting) upon the environment.
An operative person or thing.