from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A thick-walled lignified plant cell that is often branched.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A reduced form of sclerenchyma cells with highly thickened, lignified walls.
from The Century Dictionary and Cyclopedia
- n. In botany, a hardened and thickened cell; a lignified cell or stone-cell. See sclerotic parenchyma, under sclerotic.
sclere(nchyma) + -id.(American Heritage® Dictionary of the English Language, Fourth Edition)