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”)
in contact and in operation
Actively engaged in fighting or dealing with the enemy; in battle or on maneuvers.
Away from the office, classroom, or laboratory; working with people or things in their natural environment.
Used other than figuratively or idiomatically: see in, field.
In a real-world setting, as opposed to the controlled conditions of a laboratory or the hypothesized parameters of a theoretical approach.