I. cull 1 /kʌl/ BrE AmE verb [transitive]
[ Date: 1100-1200 ; Language: Old French ; Origin: cuillir , from Latin colligere ; ⇨ ↑ collect 1 ]
1 . to kill animals so that there are not too many of them, or so that a disease does not spread
2 . formal to find or choose information from many different places SYN collate
cull something from something
The data had been culled from a variety of sources.
II. cull 2 BrE AmE noun [countable]
the act of killing animals so that there are not too many of them, or so that a disease does not spread