raciberum Save DMLBS raciberum [ME reke+bere] , early barley. (Cf. hastiberum). 1365 pro vj bussellis ‥ mixtil’ factis de frumento et racuber’ DL MinAc 242/388 m. 1d.; in j quarterio racuber’ empto ‥ pro semine, iiij s Ib. m. 2.