the plural

10 LETTERS · STARTS WITH T

the plural is a valid 10-letter word worth 14 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1H4E1P3L1U1R1A1L1

1 + 4 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 =14 PTS

DOUBLE WORD → 28TRIPLE WORD → 42

MEANING

What does the plural mean?