Button to Press and Hold for Upper Case Letters

This page is the CodyCross answer for the clue below from Small World, Group 684, Puzzle 1 (Table Tennis Balls).

Question is: Button to Press and Hold for Upper Case Letters

and the answer is: SHIFTKEY

Word Meaning:

SHIFT KEY — The key on a typewriter used to select uppercase letters and certain special characters by physically moving the mechanism

Definitions from Wiktionary.

Button to press and hold for upper case letters — CodyCross Answer | CodyCross Solutions