[ˈθʌɪməs], (Noun)

Definitions:
- a lymphoid organ situated in the neck of vertebrates which produces T-lymphocytes for the immune system. The human thymus becomes much smaller at the approach of puberty


Phrases:

Origin:
late 16th century (denoting a growth or tumour resembling a bud): from Greek thumos ‘excrescence like a thyme bud, thymus gland’