seemingly outside normal sensory channels

The seedpod of this plant, The vanilla-bean or its economic extract, The long podlike capsules of Vanilla planifolia, and Vanilla claviculata, remarkable for their delicate and agreeable odor, for the volatile, odoriferous oil extracted from them; also, the flavoring extract made from the capsules, extensively used in confectionery, perfumery, etc, adjective_ plain and without any extras or adornments, flavored with vanilla extract, Lacking adornments or special features; basic or ordinary

Plural form of extra