Definition of rain verb from the Oxford Advanced Learner's Dictionary

      

    rain

     verb
    verb
    BrE BrE//reɪn//
     
    ; NAmE NAmE//reɪn//
     
    Verb Forms present simple I / you / we / they rain
    BrE BrE//reɪn//
     
    ; NAmE NAmE//reɪn//
     
    he / she / it rains
    BrE BrE//reɪnz//
     
    ; NAmE NAmE//reɪnz//
     
    past simple rained
    BrE BrE//reɪnd//
     
    ; NAmE NAmE//reɪnd//
     
    past participle rained
    BrE BrE//reɪnd//
     
    ; NAmE NAmE//reɪnd//
     
    -ing form raining
    BrE BrE//ˈreɪnɪŋ//
     
    ; NAmE NAmE//ˈreɪnɪŋ//
     
    Rain
     
    jump to other results
  1. 1  [intransitive] when it rains, water falls from the sky in drops Is it raining? It had been raining hard all night. It hardly rained at all last summer. It started to rain. See related entries: Rain
  2. 2[intransitive, transitive] to fall or to make something fall on somebody/something in large quantities rain (down) (on somebody/something) Bombs rained (down) on the city’s streets. Falling debris rained on us from above. He covered his face as the blows rained down on him (= he was hit repeatedly). rain something (down) (on somebody/something) The volcano erupted, raining hot ash over a wide area.
  3. Word Origin Old English regn (noun), regnian (verb), of Germanic origin; related to Dutch regen and German Regen.Extra examples I don’t think it’s going to rain. It had rained solidly for four days. It rained incessantly for the whole two weeks. It’s been raining solidly for an hour now. It’s been raining steadily all day. It had been raining all night. The floorboards above shook, raining dust and splinters over our heads.Idioms
    be raining cats and dogs
     
    jump to other results
    (informal) to be raining heavily
    it never rains but it pours(British English)(North American English when it rains, it pours)
     
    jump to other results
    (saying) used to say that when one bad thing happens to you, other bad things happen soon after
    rain on somebody’s parade
     
    jump to other results
    (North American English, informal) to spoil something for somebody
    Phrasal Verbsbe rained off
See the Oxford Advanced American Dictionary entry: rain