† subvassourSc.Obs.rare—1. Also subvavassour. [ad.med.L. subvassor, for *subvavassor: see sub- 9 (b) and vavasour.] =prec. 14..Act Malcolm II, c. 9 Þai þat haldis of knychtis þe quhilkis are callit subuauasouris [Skene Reg. Maj. 3 subvassours; orig.subvassores].