peach 4
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> 
> peach
> 
> peach pitS, v. Forms: 5-6 peche, 6- peach. Aphetic form of a-peche:
> see appeach, and cf. impeach.
> 
> 1.
> 
> a. trans. To accuse (a person) formally; to impeach, indict, bring
> to trial. Obs.
> 
>    * C. 1460 Towneley Myst. xix. 239 At the day of dome I shall
>      thaym peche.
> 
>    * 1534 Wriothesley Chron. (Camden) I. 25 The Lord Dakers..was
>      pechid of high treason.
> 
>    * 1693 Tate in Dryden's Juvenal ii. (1697) 27 Shou'd Verres peach
>      Thieves, Milo Murderers, Clodius tax Bawds, Cethegus Catiline.
> 
>    * 1727 Gay Begg. Op. i. x, Have him peach'd the next sessions.
> 
>      fig.
> 
>    * 1638 Chillingw. Relig. Prot. i. Pref. Sect.18 Does he not in
>      the same place peach Tertullian also?
> 
> b. To give incriminating evidence against, inform against (an
> accomplice or associate); to `round upon'. Now rare.
> 
>    * 1570 Foxe A. & M; (ed. 2) 1401/1 The sayd Frier..secretlye
>      practised to peach him by letters sent vnto the Clergie here in
>      England.
> 
>    * 1607 Middleton Phoenix v. i. 246 Let me have pardon, I beseech
>      your grace, and I'll peach 'em all.
> 
>    * 1690 Mrs. Behn Widow Ranter iv. ii, Wilt thou betray and peach
>      thy friend?
> 
>    * 1722 De Foe Col. Jack (1840) 77 He has peached me and all the
>      others, to save his life.
> 
>    * 1903 A. Lang in Pilot 20 June 591/2 Godfrey could not peach
>      Coleman without peaching himself.
> 
> c. fig. To betray. Obs.
> 
>    * 1641 Evelyn Diary 2 Jan., I did not amidst all this peach my
>      liberty nor my vertue with the rest who made shipwreck of both.
> 
> d. transf. To blab, divulge. colloq.
> 
>    * 1852 Thackeray Esmond iii. ix, What! the soubrette has peached
>      to the amoureux.
> 
>    * 1883 Haslam Yet Not I 105 I'm so thankful this has all come out
>      without my peaching a word.
> 
> 2. intr. or absol. To inform against an accomplice; to turn
> informer. Const. on, upon, against. Now chiefly slang or colloq.
> 
>    * 1596 Shaks. 1 Hen. IV, ii. ii. 47 If I be tane, Ile peach for
>      this.
> 
>    * 1632 B. Jonson Magn. Lady iv. ii, Will you go peach, and cry
>      yourself a fool At grannam's cross! be laugh'd at and despised!
> 
>    * 1717 Savage Love in Veil iii. iii, Save my life, and I'll
>      peach.
> 
>    * 1816 Trial Berkeley Poachers 34 An oath not to peach upon each
>      other.
> 
>    * 1847 James Convict xxxvii, He might have got off himself if he
>      had peached against others.
> 
>    * 1861 Hughes Tom Brown at Oxf. xii. (1889) 110 I'm not going to
>      peach if the proctor don't send again in the morning.
> 
>    * 1881 Punch 26 Nov. 241/2 Eve flirted with Jerrem; Adam,
>      enraged, `peached' on Jerrem.
> 
>    * 1927 Kipling Limits & Renewals (1932) 170 Will and I wouldn't
>      have peached on him.
> 
>    * 1966 New Statesman 1 July 9/2 The other members of the
>      gang..would not hesitate to peach on him if it would serve
>      their purpose.
> 
>    * 1976 National Observer (U.S.) 17 July 17/3 Middle-level
>      bureaucrats cravenly peach on their bosses everytime one of
>      them does something the tiniest bit illegal, like violate the
>      Constitution.
> 
>    * 1978 P. Lovesey Waxwork 123, I shan't ask you to peach on one
>      of your neighbours... What I want from you is the name and
>      address of the supplier.
> 
> Hence
> 
> peaching
> 
> 'peaching vbl. sb. and ppl. a.
> 
>    * A. 1460 Gregory's Chron. in Hist. Coll. Citizen London (Camden)
>      186 There was a pechyng i-made uppon the Erle of Ormounde..for
>      certayne poyntys of treson.
> 
>    * 1519 Horman Vulg. 216 b, In Tyberis dayes many stode in
>      ieopardy of pechyng or of theyr lyfe.
> 
>    * A. 1625 Fletcher Bloody Bro. iii. ii, You chip pantler, you
>      peaching rogue, that provided us These necklaces!
> 
>    * 1818 Moore Fudge Fam. Paris vi. 82 Give me the useful peaching
>      Rat.
> 
>    * 1859 Green Oxf. Stud. ii. Sect.7. 92 By peaching, our hero
>      obtained a pardon.