Lewis & Short

rē̆frīva or rē̆fĕrīva făba, which was carried home at seed-time to be sacrificed, as a good omen: refriva, Fest. p. 277 Müll.: (refriva) fabam utique e frugibus referre mos est auspicii causā, quae ideo referiva appellatur, Plin. 18, 12, 30, § 119 Sillig N. cr.