ROOMFUL
roomful
(noun) the quantity a room will hold
Source: WordNet® 3.1
Etymology 1
Noun
roomful (plural roomfuls or roomsful)
The amount that a room can hold, especially the number of people that can fit into a room.
The people in a room, considered as a group.
Etymology 2
Adjective
roomful (comparative more roomful, superlative most roomful)
Abounding with room or rooms; roomy.
Source: Wiktionary
Room"ful, a.
Definition: Abounding with room or rooms; roomy. "A roomful house." [R.]
Donne.
Room"ful, n.; pl. Roomfuls (.
Definition: As much or many as a room will hold; as, a roomful of men.
Swift.
Source: Webster’s Unabridged Dictionary 1913 Edition