Opening, or open wide, as the earth, a chasm, abyss, etc.

Opened widely or to the full extent; expanded; (of the arms) stretched widely apart. Now chiefly of the eyes, often implying surprise, amazement…

Fully open; open to the full extent. Also in extended use esp. of the eyes, implying attentiveness, surprise, etc. Cf. with eyes wide open at open…

gaping wide open.

That gapes, in various senses of the verb.

Gaping, having an open mouth. Also in extended use. Obsolete.

Chiefly Zoology and Medicine. Open; expanded; gaping.

Gaping open; spec., in Botany opening as seed-vessels.

poetic. Producing discontinuity between the parts of something; (hence) torn apart; open, gaping. Obsolete.

= patulous, adj. 1.

Gaping; having a wide aperture. (Chiefly in Natural History.)

yawning, gaping.