yaws

(noun) an infectious tropical disease resembling syphilis in its early stages; marked by red skin eruptions and ulcerating lesions. Synonyms: frambesia, framboesia.

(noun) an erratic deflection from an intended course. Synonyms: yaw, swerve.

(verb) be wide open. Synonyms: gape, yawn, yaw. Example: "The deep gaping canyon."

(verb) deviate erratically from a set course. Synonyms: yaw. Example: "The yawing motion of the ship."

(verb) swerve off course momentarily. Synonyms: yaw. Example: "The ship yawed when the huge waves hit it."