A cave is a natural underground space large enough for a human to enter. The crossword solutions for the term 'cave' include 'COLLAPSE' (8 letters), which means to fall or break apart suddenly; 'HOLLOW' (6 letters), which means having an empty space inside; 'CAVITY' (6 letters), which is a large HOLE in something; 'SPELUNK' (7 letters), which is the act of exploring caves; 'HOLE' (4 letters), which is an opening in something; 'grot' (4 letters), which is a small cave; 'DEFER' (5 letters), which means to put off or delay; 'LAIR' (4 letters), which is a wild animal's resting place; 'GIVE' (4 letters), which means to provide something; 'CAVERN' (6 letters), which is a large cave; 'ANTRE' (5 letters), which is another word for a cave; 'DEN' (3 letters), which is a small room or shelter; 'RELENT' (6 letters), which means to GIVE in or stop resisting; 'GROTTO' (6 letters), which is a small cave; 'canem' (5 letters), which is Latin for 'cave'; and 'SUCCUMB' (7 letters), which means to yield or GIVE in.