Obs. Also 6 quillat(e. [a. Sp. or Pg. quilate: cf. KILLAT.] = CARAT, q.v.
1577. Frampton, Joyfull Newes, II. 55. They shall put the water lower, in Quillats.
1622. Mabbe, trans. Aleman’s Guzman d’Alf., I. 27. Shee would rather die … then … faile one quilate in the touch and finenesse of her punctualitie. Ibid. (1622), II. 320. Hee teacheth vs the quilates and aloy of that gold.
