Definition of "tea"
The dried leaves or buds of the tea plant, Camellia sinensis.
The drink made by infusing these dried leaves or buds in hot water.
By extension, any drink made by infusing parts of various other plants.
A light meal eaten mid-afternoon, typically with tea.
The main evening meal, irrespective of whether tea is drunk with it.
To drink tea.
To take afternoon tea (the light meal).