[guest] n [ME gest, fr. ON gestr; akin to OE giest guest, stranger, L hostis stranger, enemy] (13c) 1 a: a person entertained in one's house b: a person to whom hospitality is extended c: a person who pays for the services of an establishment (as a hotel or restaurant)
2: an organism (as an insect) sharing the dwelling of another; esp: inquiline
3: a substance that is incorporated in a host substance
4: a usu. prominent person not a regular member of a cast or organization who appears in a program or performance
[2]guest vt (14c): to receive as a guest ~ vi: to appear as a guest