Quick definitions from WordNet (van)

▸ noun:  a truck with an enclosed cargo space
▸ noun:  a camper equipped with living quarters
▸ noun:  the leading units moving at the head of an army
▸ noun:  any creative group active in the innovation and application of new concepts and techniques in a given field (especially in the arts)
▸ name:  A male given name (common: 1 in 5263 males; popularity rank in the U.S.: #484)
▸ name:  A female given name (rare: 1 in 33333 females; popularity rank in the U.S.: #1716)
▸ name:  A surname (rare: 1 in 33333 families; popularity rank in the U.S.: #4187)

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▸ Also see van