Definitions

1. adjective

relating to or resembling a tracheid, a type of plant cell

“The tracheidal structure of the tree’s wood made it highly durable.”

2. adjective

having or resembling a tracheid

“The tracheidal fibers in the plant’s stem provided excellent support.”

3. noun

a tracheid, a type of plant cell

“The tracheidal cells in the tree’s wood were crucial for its survival.”