- Any of various plants, of the genus Croton, that yield croton oil
- A tropical evergreen shrub, Codiaeum variegatum, having glossy foliage, cultivated as a houseplant
- (New York City), (historical) The main water supply pipe to a building or apartment, from the w:Croton-on-Hudson, New York, Croton River, dams, reservoirs and w:Croton Aqueduct, aquaduct supplying New York City with water.
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