thyme

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of several aromatic Eurasian herbs or low shrubs of the genus Thymus of the mint family, especially T. vulgaris, having small white to lilac flowers grouped in clusters.
• noun The leaves of T. vulgaris used as a seasoning.

from The Century Dictionary.

• noun A plant of the genus Thymus.
• noun Same as herb mastic (which see, under herb).

from the GNU version of the Collaborative International Dictionary of English.

• noun (Bot.) Any plant of the labiate genus Thymus. The garden thyme (Thymus vulgaris) is a warm, pungent aromatic, much used to give a relish to seasoning and soups.
• noun a labiate plant (Teucrium Marum) of the Mediterranean religion. Cats are said to be fond of rolling on it.
• noun Thymus Serpyllum, common on banks and hillsides in Europe.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Any plant of the labiate genus Thymus, such as the garden thyme, Thymus vulgaris, a warm, pungent aromatic, that is much used to give a relish to seasoning and soups.
• noun poetic virginity, chastity.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any of various mints of the genus Thymus
• noun leaves can be used as seasoning for almost any meat and stews and stuffings and vegetables