λᾰσῐαύχην · lasiauchēn — LSJ
with rough, shaggy neck, of the centaur, h.Merc. 224, cf. λασιαύχενα χαίταν Ar. Ra. 822 (lyr.); of the bear, h.Hom. 7.46; of the horse, S. Ant. 350 (lyr.); λ. βύρσα Theoc. 25.272: also with a neut., λασιαύχενος ἄντρου v.l. Id. Ep. 5.5.