Sink the teeth into (4)
I believe the answer is:
bite
(Other definitions for bite that I've seen before include "Clamp down teeth" , "Morsel" , "Use one's teeth" , "Quick snack" , "Nip; nibble" .)
I believe the answer is:
bite
(Other definitions for bite that I've seen before include "Clamp down teeth" , "Morsel" , "Use one's teeth" , "Quick snack" , "Nip; nibble" .)