cane sugar

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Sucrose obtained from sugar cane.

Century Dictionary and Cyclopedia

1. n. Sugar obtained from the sugar-cane, as distinguished from beet-root sugar, grape-sugar, starch-sugar, etc. See sugar.
2. n. A general name for saccharose, C₁₂H₂₂O₁₁, whether derived from cane, sorghum, sugar-beet, or maple, to distinguish it from the glucoses, milk-sugar, maltose, etc.

Wiktionary

1. n. Sugar obtained from the sugarcane plant

GNU Webster's 1913

1. n. sugar made from the sugar cane; sucrose, or an isomeric sugar. See Sucrose.

WordNet 3.0

1. n. sucrose obtained from sugar cane
2. n. sugar from sugarcane used as sweetening agent