Swarms (4)
'swarms' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for crowds that I've seen before include "Presses" , "Hordes" , "Hosts" , "huge turnout?" , "Large gatherings of people" .)
'swarms' is the definition.
('teem' can be a synonym of 'swarm')
This is all the clue.
(Other definitions for teems that I've seen before include "Rains heavily" , "Abounds, swarms" , "Buckets down" , "Pours down" .)
'swarms' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for mobs that I've seen before include "Disorderly crowds of people" , "Unruly crowds" , "riotous assemblies" .)