er

Từ điển Oxford Learners Wordfinder Dictionary

er [er ers] BrE [ɜː(r)] NAmE [ɜːr] (also erm) exclamation (BrE)
the sound that people make when they are deciding what to say next
•‘Will you do it?’ ‘Er, yes, I suppose so.’
•I'm, er, I'm going now
See also: ↑erm

Word Origin:
natural utterance: first recorded in English in the mid 19th cent.

• Từ đồng nghĩa / Synonyms:
  emergency room, ER, erbium, Er, atomic number 68