They're played in groups of three (5)
I believe the answer is:
trios
'groups of three' is the definition.
(I've seen this before)
I don't understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for trios that I've seen before include "Groups of three" , "Works for three players" .)
I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution?
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