Definitions for "Tulasi"
The sacred plant most beloved of Krishna. Tulasi is a form of the gopi Vrinda, the expansion of Srimati Radharani who owns the Vrindavana forest. Without the leaves of the tulasi plant, no offering of food is accepted by Lord Vishnu, and no worship to Him is complete.
a pure devotee in the form of a plant in the basil family which is held sacred by the Vaishnavas and is very dear to Sri Krishna. Its leaves and manjaris (buds) are always offered to Krishna's lotus feet.
(a.k.a. Tulsi) the sweet basil plant, sacred to Hindus