Как перевести thumb на русский язык

Часть речиЗначениеАнглийские синонимы
na convex molding having a cross section in the form of a quarter of a circle or of an ellipse
nthe part of a glove that provides a covering for the thumb
thumb;
nthe thick short innermost digit of the forelimb
pollexthumb;
vfeel or handle with the fingers
fingerthumb;
vtravel by getting free rides from motorists
vlook through a book or other written material