definitive host

NOUN
15 LETTERS · STARTS WITH D

definitive host is a valid 15-letter word worth 24 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
D2E1F4I1N1I1T1I1V4E1H4O1S1T1
2 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 0 + 4 + 1 + 1 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does definitive host mean?

NOUN · 1 SENSE
1

The host in which the sexual reproduction of a parasite takes place.

BROADER