Parents Whose Kids Have All Moved Out: Empty These

This page is the CodyCross answer for the clue below from Extraordinary Creatures, Group 1600, Puzzle 4 (Ribboned Seadragon).

Question is: Parents Whose Kids Have All Moved Out: Empty These

and the answer is: NESTERS

Word Meaning:

NESTERS — plural of nester

Definitions from Wiktionary.