1. 'round',
2. 'round of rebirths'.
(1) With reference to the dependent origination (paticcasamuppāda), Vis.M. XVII speaks of 3 rounds:
the karma round (kamma-vatta) comprising the karma-formations and the karma process (2nd and 10th links);
the round of defilements (kilesa-vatta) comprising ignorance, craving and clinging (1st, 8th and 9th links);
the round of results (vipāka-vatta) comprising consciousness, mind and corporeality, 6 bases, impression, feeling (3rd-7th links).
Cf. paticcasamuppāda (diagram).
(2) round of rebirth = samsāra.