† abnoˈdationObs.—0 [ad. late L. abnōdātiōn-em, n. of action f.prec.] ‘The act of cutting away knots from trees; a term of gardening.’ J. 1678Phillips, Abnodation, An untying, or cutting off of knots, also pruning of Trees.[So Bailey 1721, Bradley 1724, Johnson 1755, etc.]