Definitions
1.nounAn elderly man.
2.nounOne's father.""He smacked me around some. Didn't everybody's old man?""
3.nounA husband, or significant other.
4.nounOne's male employer.
5.nounA unit's commanding officer, or the commander of a naval vessel.
6.nounTerm of address for a male friend.
7.nounUnregenerate human nature.
8.nounAn aromatic shrub, Artemisia abrotanum, related to wormwood.