English definition of “top”
HIGHEST PART [C] › the highest part of something: They were waiting for him at the top of the stairs. I want a cake with cherries on top.
SURFACE [C] › the flat, upper surface of something: the table top
LID [C] › the lid or cover of a container, pen, etc: Put the top back on the bottle.
CLOTHING [C] › a piece of women's clothing worn on the upper part of the body
TOY [C] › a toy that turns round and round when you move its handle up and down
the top › the most important position in a company, team, etc: At forty he was already at the top of his profession.
at the top of your voice UK (US at the top of your lungs) › shouting very loudly