[ noun ] a girl or young woman who is unmarried <noun.person>
Lass \Lass\ (l[.a]s), n. [OE. lasse; prob. of Celtic origin; cf. W. llodes girl, fem. of llawd lad. [root]123. See {Lad} a youth.] A young woman; a girl; a sweetheart.
Her first major title was the U.S. Amateur, which she won in 1957 as a lass of 18 out of Kirkland, Wash., with her daddy's last name of Gunderson.
But this process will be much lass painful than seemed likely only two years ago.