9 letters · 17 points in Scrabble
noun a conical child's plaything tapering to a steel point on which it can be made to spin
noun a large, rotating machine with seats for children to ride or amusement
verb whirl or spin like a whirligig
originFrom Middle English whyrlegygge; equivalent to whirl (noun or verb) + gig (“a top”).
Etymology from Wiktionary, CC BY-SA 3.0