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.