Webster's Revised Unabridged Dictionary · 1913

Blissom

Blissom ({not transcribed}) , intransitive verb

[For blithesome: but compare also Icelandic bl{not transcribed}sma of a goat at heat.]

To be lustful; to be lascivious. [Obsolete]

Blissom , adjective

Lascivious; also, in heat; -- said of ewes.