† ˈplanir,a.Obs.rare—1. [ad.OF.planier (planeir, Chron. Turpin):—late L. plānārius flat, level, f.plānus level; see -ary1.] Flat, level. a1400–50Alexander 4138 Quare nouthire holtis was ne hilles ne no hiȝe [h]eggis, Bot all as planir & as playn as a playn table.