Uttering speech; used for conveying speech; as, man is a speaking animal; a speaking tube.
2.
Seeming to be capable of speech; hence, lifelike; as, a speaking likeness.
A speaking acquaintance, a slight acquaintance with a person, or one which merely permits the exchange of salutations and remarks on indifferent subjects.
Speaking trumpet, an instrument somewhat resembling a trumpet, by which the sound of the human voice may be so intensified as to be conveyed to a great distance.
Speaking tube, a tube for conveying speech, especially from one room to another at a distance.
To be on speaking terms, to be slightly acquainted.
... fatuously fancied that the timbered and rocky walls on both sides would have protected it from the wintry Colorado winds; but I feared the drift. Even now through the endless, bottomless rift in the hills—the speaking tube of the four winds—came roaring the voice of the proprietor to the little room ... — Waifs and Strays - Part 1 • O. Henry