dufoil Her.
(ˈdjuːfɔɪl)
[f. L. duo two + foil leaf; cf. trefoil, cinquefoil.]
A two-leaved flower; the plant Twayblade (Listera ovata).
1688 R. Holme Armoury ii. iv. §2. 58 He beareth Argent, a Dufoile or Twyfoile, Vert, flowered, Purpure. The Flower is like that which we commonly call Dogstones,..but more spireing. 1889 Elvin Heraldry Gloss., Dufoil, or Twyfoil, having only two leaves. |