Definition of speech:
the act of delivering a formal spoken communication to an audience; "he listened to an address on minor Roman poets"
(language) communication by word of mouth; "his speech was garbled"; "he uttered harsh language"; "he recorded the spoken language of the streets"
something spoken; "he could hear them uttering merry speeches"
the exchange of spoken words; "they were perfectly comfortable together without speech"
your characteristic style or manner of expressing yourself orally; "his manner of speaking was quite abrupt"; "her speech was barren of southernisms"; "I detected a slight accent in his speech"
a lengthy rebuke; "a good lecture was my father's idea of discipline"; "the teacher gave him a talking to"
words making up the dialogue of a play; "the actor forgot his speech"
the mental faculty or power of vocal communication; "language sets homo sapiens apart from all other animals"