Definitions

from The Century Dictionary.

  • noun In botany, the lignifying matter which is deposited on the inner surface of the cells of some plants, contributing to their thickness, as in the shell of the walnut; lignin.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Bot.) The thickening matter of woody cells; lignin.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun botany The thickening matter of woody cells; lignin.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek hard + -gen.

Examples

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