Definitions for tracheidˈtreɪ ki ɪd
Random House Webster's College Dictionary
tra•che•idˈtreɪ ki ɪd(n.)
an elongated, tapering xylem cell having woody, pitted, intact walls, adapted for conduction and support.
Ref: Compare vessel (def. 4). 5
Origin of tracheid:
long tubular cell peculiar to xylem
A tracheid cell.
Origin: From Tracheïde, corresponding to .
a wood cell with spiral or other markings and closed throughout, as in pine wood