† throllObs. [app. related to thrill n.1] A nostril or breathing hole. c1430Bk. Hawkyng in Rel.Ant. I. 301 But if it have hastely help it wol stop his nare throlles.1555Douglas's æneis vii. x. 59 Ane horribill caue..ane throll [ed. Small thyrll], or aynding stede, Of terribill Pluto.