switch engine

NOUN /swɪʧ_'ɛndʒən/
13 LETTERS · STARTS WITH S

switch engine is a valid 13-letter word worth 21 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1W4I1T1C3H4E1N1G2I1N1E1
1 + 4 + 1 + 1 + 3 + 4 + 0 + 1 + 1 + 2 + 1 + 1 + 1 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does switch engine mean?

NOUN · 1 SENSE
1

A locomotive for switching rolling stock in a railroad yard.