Vanilla n. : A genus of climbing orchidaceous plants, natives of tropical America.

Vanilla n. : The long podlike capsules of Vanilla planifolia, and V. 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.

Example:
How much Vanilla extract would I need to use to equal two Vanilla sticks ?

Taxonomy
vanilla, pods, beans, flowers, vine, vanilla beans, plant, vanilla pods, Vanilla planifolia, Mexico, flavor, killing, vanillin, fruit, cuttings, Madagascar, bee, natural vanilla.

Defination from the web:
Vanilla ... There are currently three major cultivars of vanilla grown globally, all derived from a species originally found in Mesoamerica, including parts ... The first to cultivate vanilla were the Totonac people, who inhabit the Mazantla Valley on the Gulf ...