sakadāgāmī: the 'Once-returner': s. ariya-puggala, A.

Buddhist Dictionary, Manual of Buddhist Terms and Doctrines, by NYANATILOKA MAHATHERA

sakadāgāmī : [m.] one who has attained the second stage of the Path and to be reborn on the earth only once.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]