from
The Collaborative International Dictionary of English v.0.48
Guest \Guest\ (g[e^]st), n. [OE. gest, AS. g[ae]st, gest; akin
to OS., D., & G. gast, Icel. gestr, Sw. g[aum]st, Dan.
Gj[aum]st, Goth. gasts, Russ. goste, and to L. hostis enemy,
stranger; the meaning stranger is the older one, but the root
is unknown. Cf. {Host} an army, {Hostile}.]
1. A visitor; a person received and entertained in one's
house or at one's table; a visitor entertained without
pay.
[1913 Webster]
To cheer his guests, whom he had stayed that night.
--Spenser.
[1913 Webster]
True friendship's laws are by this rule exprest.
Welcome the coming, speed the parting guest. --Pope.
[1913 Webster]
2. A lodger or a boarder at a hotel, lodging house, or
boarding house.
[1913 Webster]
3. (Zool.)
(a) Any insect that lives in the nest of another without
compulsion and usually not as a parasite.
(b) An inquiline.
[Webster 1913 Suppl.]