thumb in Wingdings is ⧫︎♒︎◆︎❍︎♌︎

The short, thick first digit of the human hand, differing fromthe other fingers in having but two phalanges; the pollex. SeePollex.Upon his thumb he had of gold a ring. Chaucer.Thumb band, a twist of anything as thick as the thumb. Mortimer.-- Thumb blue, indigo in the form of small balls or lumps, used bywasherwomen to blue linen, and the like.-- Thumb latch, a door latch having a lever formed to be pressed bythe thumb.-- Thumb mark. (a) The mark left by the impression of a thumb, as onthe leaves of a book. Longfellow. (b) The dark spot over each foot infinely bred black and tan terriers.-- Thumb nut, a nut for a screw, having wings to grasp between thethumb and fingers in turning it; also, a nut with a knurled rim forthe same perpose.-- Thumb ring, a ring worn on the thumb. Shak.-- Thumb stall. (a) A kind of thimble or ferrule of iron, orleather, for protecting the thumb in making sails, and in other work.(b) (Mil.) A buckskin cushion worn on the thumb, and used to closethe vent of a cannon while it is sponged, or loaded.-- Under one's thumb, completely under one's power or influence; ina condition of subservience. [Colloq.]