Obs. [OE. ǽtrian, ættrian, f. prec.]
1. To poison, envenom. Also fig.
c. 885. K. Ælfred, Oros., III. ix. § 18. For ʓeǽtredum ʓescótum.
c. 1175. Lamb. Hom., 75. Hore loking … hore smelling, heore feling was al iattret.
a. 1230. Ancr. R., 84. Oðer speche soileð … ac þeos attreð þe heorte & te earen boðe.
2. To mix with gall, embitter.
c. 1400. Destr. Troy, VI. 2286. Or all so myght aunter to atter for euer.
