booby hatch

NOUN /bubi_hæʧ/
11 LETTERS · 2 SYLLABLES · STARTS WITH B

booby hatch is a valid 11-letter word worth 25 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3O1O1B3Y4H4A1T1C3H4
3 + 1 + 1 + 3 + 4 + 0 + 4 + 1 + 1 + 3 + 4 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does booby hatch mean?