mesocotyl

noun

meso·​cot·​yl

ˈme|zōˌkätᵊl,

ˈmē|,

|sō-

: an elongated portion of the axis between the cotyledon and the coleoptile of a grass seedling

Word History

Etymology

mes- + -cotyl

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now