local anaesthetic

NOUN
17 LETTERS · 5 SYLLABLES · STARTS WITH L

local anaesthetic is a valid 17-letter word worth 23 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
L1O1C3A1L1A1N1A1E1S1T1H4E1T1I1C3
1 + 1 + 3 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 1 + 1 + 3 =23 PTS
DOUBLE WORD → 46TRIPLE WORD → 69
MEANING

What does local anaesthetic mean?