thumbscrew

n former instrument of torture that squeezed the thumb 拇指夹（旧时的刑具）.

throw sth up, throw up, throw-away, throw-back, throw-in, throw/cast light on, throwback, thru, thrush, thrust, thruster, thud, thug, thuggery, thumb, thumb-index, thumb-nail, thumb-stall, thumb-tack, thumbnail, thumbtack, thump, thumping (also thundering), thunder, thunder-cloud, thunderbolt, thunderclap, thunderer, thundering, thunderous, thunderously, thunderstorm, thunderstruck, thundery, Thur (also Thurs), Thursday, thus, thwart, thy, thyme,