Real Dictionary

taste
If food or drink tastes of something, it has that particular flavour, which you notice when you eat or drink it.
If you can taste something that you are eating or drinking, you are aware of its flavour.
If you taste something such as a way of life or a pleasure, you experience it for a short period of time.
countable noun: The taste of something is the individual quality which it has when you put it in your mouth and which distinguishes it from other things. For example, something may have a sweet, bitter, sour, or salty taste.
singular noun: If you have a taste for something, you have a liking or preference for it.
singular noun: If you have a taste of a particular way of life or activity, you have a brief experience of it.
singular noun: If you have a taste of some food or drink, you try a small amount of it in order to see what the flavour is like.
uncountable noun: A person's taste is their choice in the things that they like or buy, for example their clothes, possessions, or music. If you say that someone has good taste, you mean that you approve of their choices. If you say that they have poor taste, you disapprov
uncountable noun: Taste is one of the five senses that people have. When you have food or drink in your mouth, your sense of taste makes it possible for you to recognize what it is.
verb: If you taste some food or drink, you eat or drink a small amount of it in order to try its flavour, for example to see if you like it or not.

taste in American English
to test by touching
intransitive verb: to try the flavor or quality of something
noun: the act of tasting food or drink
transitive verb: to try or test the flavor or quality of (something) by taking some into the mouth

taste in British English
noun: the sense by which the qualities and flavour of a substance are distinguished by the taste buds
verb: to distinguish the taste of (a substance) by means of the taste buds

taste in Hospitality
verb: If you taste some food or drink, you eat or drink a small amount of it in order to try its flavor, for example, to see if you like it or not.