Green’s Dictionary of Slang

snare v.

1. (US tramp) to entice a boy into tramping; thus snaring n.

[US]J. Flynt Tramping with Tramps 397: SNARE: to entice a boy into tramp life.
[US]P. & T. Casey Gay-cat 303: Jocker—a tramp who trains, and protects a boy from persecution by others, until he is a regular stiff. The act of enticing the boy into the life is called ‘snaring,’ and the person doing it a ‘snare’.
[US]Monteleone Criminal Sl. (rev. edn).

2. (US tramp) to arrest.

[US]Memphis Dly Appeal (TN) 12 Mar. 3/3: ‘Where’s Mr Niles?’ asked one. ‘He’s snared,’ said another’.
[US]J. London ‘The Road’ in Hendricks & Shepherd Jack London Reports (1970) 311–21: Attempt to translate this : – De bull snared me; got a t’ree hour blin’ [...] he (fly) (bull) (policeman) arrested me and the judge gave me three hours in which to leave town.
[US]Goldin et al. DAUL 200/1: Snare, v. [...] 2. To arrest.

3. (Aus.) to obtain, to grab, to win.

[US]J. London ‘And ’Frisco Kid Came Back’ in High School Aegis X (4 Nov.) 2–4: We’re did I snare me good ogs? Well, it’s dis way.
[US]Ade Artie (1963) 29: I’ve told you, ain’t I, how I snared her away from him?
[Aus]Bulletin (Sydney) 17 Oct. 44/2: There is no hint as to whether a Wagnerian Marianne or one with a profound knowledge of (say) Brahms, will have the better chance of snaring the 10 bob a week job.
[Aus](con. WWI) A.G. Pretty Gloss. Sl. [...] in the A.I.F. 1921–1924 (rev. t/s) n.p.: snare. Acquire; steal.
[US]C. Samolar ‘Argot of the Vagabond’ in AS II:9 391: High-grade, promote, clout, snare and glahm are synonymous verbs and mean to take what does not legally belong to one.
[US]Monteleone Criminal Sl. (rev. edn).
[US]Goldin et al. DAUL 200/1: Snare, v. 1. To acquire adroitly by thievery.
[NZ]McGill Dict. of Kiwi Sl. 105/2: snare seize, win; from snaring animals.
[NZ]McGill Reed Dict. of N.Z. Sl. 194: snare To win or seize, as one might snare a snarler or sausage. ANZ late C19.
[US](con. 1962) J. Ellroy Enchanters 54: I snared the payroll at [safety deposit] Box #1.