n. A plague; murrain.A Middle English form of quail.n. A Middle English dialectal form of whale.n. An object named or considered as having a quality.n. Specifically In psychology, in the phrases spatial quale, quote of spatiality, the irreducible element or attribute of spaciousness, bidimensional, tridimensional, or indefinite, posited by nativistic theories of space-perception for some or all sensations.n. A nativistic theory of space perception. See quale, 2.