Definition of guest :
1. A visitor; a person received and entertained in one's house or at one's table; a visitor entertained without pay.
2. An inquiline.
3. Any insect that lives in the nest of another without compulsion and usually not as a parasite.
4. To be, or act the part of, a guest.
5. To receive or entertain hospitably.
thickening, messmate, patron, boarder, tenant, node, leaf node, fellow, lodger, client, roomer, company, inmate, caller, invitee, visitant, lymph gland, frequenter, confidante, lymph node, confidant, accompanied, knob, customer, visitor