Pronunciation: (wīd'mou&thslash;d", -moutht"), [key]
1. (of a person, object, body of water, etc.) having a wide mouth: a widemouthed river.
2. (of a person) having the mouth opened wide, as in astonishment or horror.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.