Cheat to secure point in card game (8)
I believe the answer is:
cribbage
'card game' is the definition.
(I know that cribbage is a type of card game)
'cheat to secure point' is the wordplay.
'cheat' becomes 'crib' (cribbing is a kind of cheating).
'to secure' becomes 'bag' (bag can mean to secure).
'point' becomes 'e' (compass point).
'crib'+'bag'+'e'='CRIBBAGE'
'in' acts as a link.
(Other definitions for cribbage that I've seen before include "SPORT/GAME" , "Card game scored with pegs" , "Card game with a winning score of 121" , "Card-game" , "activity for couple sitting at table" .)