Boyd’s Bible Dictionary:
(from Cyprus). Not indigenous to Palestine. Juniper may be meant (Isa. 44:14).
Concise Bible Dictionary:
Cypress
A species of oak which preserves its fragrance: it will not easily rot, nor is it eaten by worms (Isa. 44:14).
Strong’s Dictionary of Hebrew Words:
Meaning:
probably from 7329; a species of tree (apparently from its slenderness), perhaps the cypress