gape
n 1: an expression of open-mouthed astonishment
2: a stare of amazement (usually with the mouth open)
v 1: look with amazement; look stupidly [syn: {goggle}, {gawp}, {gawk}]
2: be wide open; "the deep gaping canyon" [syn: {yawn}, {yaw}]
Source: WordNet® 2.0