Definition of SMS in English:

SMS

  • Short Message (or Messaging) Service, a system that enables mobile phone users to send and receive text messages.

noun

  • A text message that is sent or received using SMS.

    ‘Britons send millions of 160-character SMSs a day’

verb

[no object]
  • Send someone a text message using SMS.

    ‘I'm SMSing more than speaking on my mobile phone these days’
    with object ‘SMS me or send me an email’

Pronunciation

SMS

/ˌɛsˌɛmˈɛs/