a. [f. L. type *crātēriformis, f. crātēr CRATER and -FORM.]
1. Geol., etc. Crater-shaped, crater-like.
1830. Lyell, Princ. Geol., I. 389. Why did these freshwater beds never acquire in any instance a conical and crateriform disposition?
1876. Page, Adv. Text-bk. Geol., xix. 377. The crateriform hills of Auvergne.
2. Bot. Cap- or bowl-shaped; concave and nearly hemispherical.
1866. in Treas. Bot.
1880. Gray, Struct. Bot., vi. § 5. 248. Crateriform, or Saucer-shaped, like rotate, except that the broad limb is cupped by some upturning toward the margin.