a round hole/stone/table/window
a round face
It is on the round table in your room. (Key English Test; A2; Kannada)
He was beaten in the first round.
At five o'clock in the afternoon, the second round of the games [will begin]. (First Certificate in English; B2; Greek)
The crowd gave him a huge round of applause.
It was unbelievable, there was a round of applause and some people couldn't help crying. (Certificate of Proficiency in English; C2; Turkish)
Would you like another round?
Rob (her husband) was so happy and in such a splendid mood that he decided to pay [for] a round of beer. (Certificate of Proficiency in English; C2; German)
a round of interviews
a new round of talks between the two countries
My life was an endless round of parties, and social events. (Certificate of Proficiency in English; C2; Greek)