Bishop points to insect (3)
I believe the answer is:
bee
'insect' is the definition.
(bee is a type of insect)
'bishop points' is the wordplay.
'bishop' becomes 'B' (chess abbreviation).
'points' becomes 'ee' (an abbreviation for a compass point written twice).
'b'+'ee'='BEE'
'to' is the link.
(Other definitions for bee that I've seen before include "Apian insect" , "Busy buzzer" , "Social insect" , "Hive insect" , "Four-winged insect" .)