practice session

NOUN
16 LETTERS · STARTS WITH P

practice session is a valid 16-letter word worth 21 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3R1A1C3T1I1C3E1S1E1S1S1I1O1N1
3 + 1 + 1 + 3 + 1 + 1 + 3 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does practice session mean?