"yaws" in the noun sense
1. yaw, swerve
an erratic deflection from an intended course
"yaws" in the verb sense
1. gape, yawn, yaw
be wide open
"the deep gaping canyon"
deviate erratically from a set course
"the yawing motion of the ship"
swerve off course momentarily
"the ship yawed when the huge waves hit it"
Source: WordNet® (An amazing lexical database of English)
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