a patch of ground used for communal display in the breeding season by the males of certain birds and mammals, especially black grouse. Each male defends a small territory in order to attract females for mating.
verb
[no object] (usually as adjective lekking)
take part in a communal breeding display on a lek:antelopes mate in lekking grounds
Origin:
late 19th century: perhaps from Swedish leka 'to play'
