Reóst

According to the Old English Dictionary:

reóst

a rest (rest the wood on which the coulter of a plough is fixed, Halliw. Dict.) :-- Sules reóst dentale, s. est aratri pars prima in qua vomer inducitur quasi dens, Wrt. Voc. ii. 138, 72 : dentalia, 106, 20 : 25, 28. [Cf. O. H. Ger. riostar stiva, dentile.] reost