sieve cell

noun

: an elongated tapering cell characteristic of the phloem of gymnosperms and lower vascular plants that is basically similar in form, function, and relationships to a sieve-tube element but distinguished by rather uniformly distinguished sieve areas which are not aggregated into sieve plates compare tracheid

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