Fly ball? (5)
I believe the answer is:
swarm
(Other definitions for swarm that I've seen before include "Dense group (of insects)" , "Host" , "Large crowd" , "Flight of bees" , "Group of flies" .)
I believe the answer is:
swarm
(Other definitions for swarm that I've seen before include "Dense group (of insects)" , "Host" , "Large crowd" , "Flight of bees" , "Group of flies" .)