Definition of "ooidal" []

• Egg-shaped. (adjective)
• Oolitic. (adjective)

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• "Some are large-grained, of a pink colour, and appear in blocks, which, flaking off under the influence of the atmosphere, form ooidal blocks and boulders piled in irregular heaps."
• "The Badawi cranium is small, ooidal, long, high, narrow, and remarkable in the occiput for the development of Gall’s second propensity: the crown slopes upwards towards the region of firmness, which is elevated; whilst the sides are flat to a fault."