Gen, subs. (costers’).—A shilling. Back slang, but cf. Fr., argent. For synonyms, see Blow.

1851–61. H. Mayhew, Lond. Lab. and Lond. Poor, vol. i., p. 19. I’ll try you a gen (shilling) said a coster.

1887. Saturday Review, 14 May, p. 700. The difficulty of inverting the word shilling accounts for ‘generalize.’ from which the abbreviation to gen is natural as well as affectionate.

Gender, verb. (old).—To copulate. [An abbreviation of Engender.] For synonyms, see Greens and Ride.

1602. Shakspeare, Othello, iv., 2. A cistern for foul toads To knot and gender in.

1659. Torriano, Vocabolario, s.v.

1778. Bailey, Eng. Dict., s.v.

1816. Johnson, Eng. Dict., s.v.

1892. Bible, Lev. xix., 19. Thou shalt not let thy cattle gender with a diverse kind.

Feminine Gender, subs. phr. (schoolboys’).—The female pudendum. [As in the old (schoolboys’) rhyme: Amo, amas, I loved a lass, And she was tall and slender, Amas, amat, I laid her flat, And tickled her feminine gender. Quoted (with modifications) by Marryat in Jacob Faithful, 1835.]