Lewis & Short

axungĭa, ae, f. [axis-ungo], axle-tree grease, wagon grease.

  1. I. Lit., Plin. 28, 9, 37, § 135; 28, 10, 43, § 156.
    Hence,
  2. II. In gen., grease, fat, Pall. 1, 17, 3; Veg. 4, 10, 3; 4, 12, 3.