yawn Definition

yawn
verb, intr yawned, yawning

1. To open one's mouth wide and take a deep involuntary breath when tired or bored.
2. Said of a hole, gap, etc: to be or become wide open.

Thesaurus: gape, open, gap, split, part, diverge; Antonym: shut, close, come together.

noun

1. An act or an instance of yawning.
2. colloq
A boring or tiresome event, person, etc.

Derivative: yawning
adj

Said of a hole, etc: wide; large.
Thesaurus: gaping, wide, vast, cavernous, split asunder; Antonym: narrow.

Etymology: Anglo-Saxon ganian to yawn, and geonian to gape widely.