Noun check in has 1 sense
  1. check-in - the act of reporting your presence (as at an airport or a hotel)
    --1 is a kind of arrival
    Derived form: verb check in1
,Verb check in has 1 sense
  1. check in, sign in - announce one's arrival, e.g. at hotels or airports
    --1 is one way to report
    Antonyms: check out
    Derived form: noun check-in1
    Sample sentences:
    Somebody ----s
    Somebody ----s somebody
    Somebody ----s PP
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