Strong's #6628: tse'el (pronounced tseh'-el)

from an unused root meaning to be slender; the lotus tree:--shady tree.

Brown-Driver-Briggs Hebrew Lexicon:

tse'el

1) a kind of lotus

1a) a thorny lotus shrub

Part of Speech: noun masculine

Relation: from an unused root meaning to be slender

Usage:

This word is used 2 times:

 

Job 40:21: "He lieth under the shady trees, in the covert of the reed, and fens."
Job 40:22: " The shady trees cover him with their shadow; the willows of the brook compass him about."