† ˈdouble-leaf, n. and a. Obs.
A. n. The plant twayblade (Listera ovata), an orchid with two large opposite ovate leaves.
| 1578 Lyte Dodoens ii. lvii. 224 The Twayblade or Doubleleaf. 1605 Timme Quersit. i. xiii. 65 The salts [of] double leafe and of cardus benedictus..are diaphoricall. |
B. adj. Having two leaves, double-leaved.
| 1592 Lyly Midas i. ii, The lips are..made for a double-leafe dore for the mouth. |