Real Dictionary

top
The top thing or layer in a series of things or layers is the highest one.
You can use top to describe the most important or famous people or things in a particular area of work or activity.
You can use top to indicate that someone does a particular thing more times than anyone else or that something is chosen more times than anything else.
You can use top to indicate that something or someone is at the highest level of a scale or measurement.
You can use top to say that you think something is excellent.
adjective: You can use top to indicate that something is the first thing you are going to do, because you consider it to be the most important.
adverb: You can use tops after mentioning a quantity, to say that it is the maximum possible.
countable noun: A top is a piece of clothing that you wear on the upper half of your body, for example a blouse or shirt.
countable noun: The top of something is its highest point or part.
countable noun: The top of something such as a bottle, jar, or tube is a cap, lid, or other device that fits or screws onto one end of it.
singular noun: If someone is at the top of a table or league or is the top of the table or league, their performance is better than that of all the other people involved.
singular noun: The top of a street, garden, bed, or table is the end of it that is farthest away from where you usually enter it or from where you are.
singular noun: The top of an organization or career structure is the highest level in it.
verb: If something is topped with something, it has that thing as its highest part.
verb: If something tops a particular amount, it is larger than that amount.
verb: If you top a story, remark, or action, you follow it with a better or more impressive one.
verb: To top a list means to be mentioned or chosen more times than anyone or anything else.

top in American English 1
a tuft of hair
noun: the highest or loftiest point or part of anything; apex; summit

top in American English 2
a child's cone-shaped toy, spun on its pointed end
noun: a toy, often inversely conical, with a point on which it is made to spin

top in British English 1
noun: the highest or uppermost part of anything

top in British English 2
noun: a toy that is spun on its pointed base by a flick of the fingers, by pushing a handle at the top up and down, etc

top- in American English
combining form

top- in British English
combining form
combining form: indicating place or region