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a round of

a round of

10 3.5
A set of drinks bought for everyone, with people taking turns to pay
  • idiom
  • Informal
translation icon : una ronda (de bebidas)
  • Watch what happens when Peter wants to tip for a round of free drinks.
  • a round of drinks
  • buy a round of
  • a round of beer

Examples

Synonyms

round
vsa round of
  • Informal
107 4.2

A serving of drinks bought for everyone in a group

is broader and focuses on turn-taking among group members
round of drinks
vsa round of
8 2.9

A set of drinks bought for everyone in a group at the same time

stresses people take turns buying for everyone rather than one-time purchase

Surface Forms

a round of singular
rounds of plural

Morphology

a + round + of

The meaning is directly compositional: 'round' as 'a serving of drinks' combined with the article 'a' and the linking preposition 'of' yields 'a round of (drinks)'. This is a common, regular English noun+of pattern and is likely immediately understood by a B1 learner who knows the constituent words and the syntax.

Etymology

A round of may come from the picture of people sitting in a circle while someone buys drinks and the tray goes round the table. That's why it now means 'a set of drinks' bought for everyone, often with people 'taking turns' to pay.