Learn how to say Basil correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word basil:
1an aromatic plant of the mint family, native to tropical Asia. The leaves are used as a culinary herb, especially in Mediterranean dishes:
garnish the baked pizza with fresh basil
Genus Ocimum, family Labiatae: several species, in particular the annual sweet basil (O. basilicum)
2 (also wild basil) a European plant which grows in hedges and scrub.
Clinopodium vulgare, family Labiatae
late Middle English: from Old French basile, via medieval Latin from Greek basilikon, neuter of basilikos ‘royal’ (see basilica)