8 letters · 11 points in Scrabble
noun an approximately triangular surface area between two adjacent arches and the horizontal plane above them
originFrom a diminutive in -el of Anglo-Norman spaundre, of uncertain origin, perhaps from Old French espandre (“to expand, extend, spread”). More at spawn, expand. In the field of biology first used by Stephen Jay Gould and Richard Lewontin.
Etymology from Wiktionary, CC BY-SA 3.0