Noah Webster's New International Dictionary of the English Language

1. (a.) Being away from a place; withdrawn from a place; not present.

2. (a.) Not existing; lacking; as, the part was rudimental or absent.

3. (a.) Inattentive to what is passing; absent-minded; preoccupied; as, an absent air.

4. (v. t.) To take or withdraw (one's self) to such a distance as to prevent intercourse; -- used with the reflexive pronoun.

5. (v. t.) To withhold from being present.