in pronunciations below, | ̷ ̷ ̷ ̷ . |sərkəm or -ə̄k- or -əik- prefix
Etymology: Old French or Latin; Old French, from Latin, from circum round about, from circus circle — more at circle
1. adverbially : around : about : on all sides
circum rotate
circum gyration
2. prepositionally : around : surrounding
circum basal
circum corneal
circum lunar
: revolving around
circum solar
3. : circumscribed
circum polygon