saffron

Boyd’s Bible Dictionary:

Concise Bible Dictionary:

Crocus Sativus
A common odoriferous plant. The Hebrew karkom agrees with the Arabic karkum and points to the Crocus sativus, or saffron crocus (Song of Sol. 14). In the East it is pressed into small cakes and sold in the bazaars.
Crocus Sativus

Strong’s Dictionary of Hebrew Words:

Transliteration:
karkom
Phonic:
kar-kome’
Meaning:
probably of foreign origin; the crocus
KJV Usage:
saffron