tail joist

10 LETTERS · STARTS WITH T

tail joist is a valid 10-letter word worth 16 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1A1I1L1J8O1I1S1T1

1 + 1 + 1 + 1 + 0 + 8 + 1 + 1 + 1 + 1 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does tail joist mean?