A circle
cone
Yes, "round" is a common noun when it refers to a shape or object, such as a round ball or round of applause. In this context, it describes a general category rather than a specific name. However, "round" can also function as an adjective or a verb, depending on its use in a sentence.
it can be like the earth round the sun, the moon round the earth, the lines in the middle of a road, anything that's a constant distance away from something.
polygon
prize, crumbs, bar-code
merry go round ferris wheel earth wheel washer/dryer spinning top clock hands
The Earth orbiting round the Sun is an example of movement round something.
A homophone for something round is "pear" and for shout loudly is "bellow."
Something which goes round and round.
a ball
A homonym for something round and shout loudly could be "ball" and "bawl."
round & round by Selena Gomez
round pizza
bawl and ball
The scientific name for round worms is "nematodes."
no
wheel