Boyd’s Bible Dictionary:
An annual of the parsley family, producing aromatic seeds (Isa. 28:25; Matt. 23:23).
Concise Bible Dictionary:
A plant yielding a small aromatic seed, used as a condiment and for medicines. It is beaten out by a rod, and is one of the bountiful gifts of God (Isa. 28:25,27). The Pharisees paid tithes of it, whereas they omitted the weightier matters of the law, judgment, mercy and faith (Matt. 23:23).
Black Cumin
Strong’s Dictionary of Hebrew Words:
Meaning:
from an unused root meaning to store up or preserve; "cummin" (from its use as a condiment)