ulna, ae, f. [Gr. w)le/nh; Goth. aleina; Germ. Elle; cf. Ellenbogen; Engl. ell], the elbow.I.Lit., Plin. 11, 43, 98, 243.— II.Transf.A.Poet., in gen., the arm: tremula patris dormientis in ulnā, Cat. 17, 13; Prop. 2, 18 (3, 10), 9; Ov. M. 7, 847; 9, 652; 11, 63; Luc. 3, 664; Sil. 3, 457; 10, 499; Stat. S. 5, 3, 266 al.—B. As a measure of length. 1.An ell, Verg. E. 3, 105; id. G. 3, 355; Hor. Epod. 4, 8; Ov. M. 8, 748. —2. As much as a man can clasp with both arms, a fathom, Plin. 16, 40, 76, 202.