Keep an Egg Warm Before It Hatches

This page is the CodyCross answer for the clue below from Concert Hall, Group 583, Puzzle 2 (Philharmonic).

Question is: Keep an Egg Warm Before It Hatches

and the answer is: INCUBATE

Word Meaning:

INCUBATE — (transitive) To brood, raise, or maintain eggs, organisms, or living tissue through the provision of ideal environmental conditions.

Definitions from Wiktionary.