MDBG Mobile Chinese English Dictionary (iPhone, Android, Windows Phone)

寸	cùn	a unit of length / inch / thumb
捏	niē	to hold between the thumb and fingers / to pinch / to mold (using the fingers) / to hold (lit. in one's hand and fig.) / to join together / to fabricate (a story, a report, etc)
U盘	U - pán	USB flash drive; thumb drive
竖起	shù qǐ	to erect (a tent etc) / to prick up (one's ears) / to raise (one's eyebrows) / to stick up (one's thumb) / to turn up (one's collar) / (of a bird) to puff up (one's feathers)
拇指	mǔ zhǐ	thumb / big toe
翻阅	fān yuè	to thumb through / to flip through (a book)
巨擘	jù bò	thumb / authority (knowledgeable person)
擘	bò	thumb / to break / to tear / to pierce / to split
大指	dà zhǐ	thumb / big toe
大拇哥	dà mǔ gē	thumb / big toe / USB flash drive
兰花指	lán huā zhǐ	hand gesture in traditional dances (joined thumb and middle finger, the rest extended)
韘	shè	archer's thumb ring
扳指	bān zhǐ	ornamental thumb ring (originally a ring, often made from jade, worn by archers in ancient times to protect the right thumb when drawing a bowstring)
拦车	lán chē	to thumb a lift / to hitchhike
大拇指	Dà mu zhǐ	Tom Thumb (small person in folk tales)
大拇指	dà mu zhǐ	thumb
竖起大拇指	shù qǐ dà mu zhǐ	to give a thumbs-up / to express one's approval
闪存盘	shǎn cún pán	USB flash drive; thumb drive
耙耳朵	pā ěr duo	(dialect) henpecked / to be under one's wife's thumb
比心	bǐ xīn	(Internet slang) to form a hand heart using one's thumb and forefinger (or by using both hands)