shift key

English Thesaurus

1. the key on the typewriter keyboard that shifts from lower-case letters to upper-case letters (noun.artifact)

hypernym	:	key,
definition	:	a lever (as in a keyboard) that actuates a mechanism when depressed (noun.artifact)

part meronym	:	typewriter keyboard,
definition	:	a keyboard for manually entering characters to be printed (noun.artifact)