[f. CHIRRUP v. + -ING1.] The action of the verb CHIRRUP.
1579. Spenser, Sheph. Cal., June. Thy rymes Whose Echo taught the byrdes Frame to thy songe their cheerfull cheriping.
1774. Goldsm., Nat. Hist., VII. 351. Except in the very coldest weather, they [crickets] never cease their chirruping.
1871. Earle, Philol. Eng. Tong., § 660. The first attempts to speak are mere chirrupings.