Green’s Dictionary of Slang

lage n.

(UK Und.) water.

c.1566		Harman Caveat for Common Cursetours in Viles & Furnivall (1907) 83: Lage, water.
1592		Groundworke of Conny-catching [as cit. c.1566].
1608		Dekker Lanthorne and Candle-Light Ch. 1: The Canters Dictionary Lage, Water.
1610		Rowlands Martin Mark-all 39: Lagge, water or pisse.
1637		Dekker ‘Canters Dict.’ Eng. Villainies (8th edn).
1641		R. Brome Jovial Crew II i: I bowse no Lage, but a whole Gage / Of this I’ll bowse to you.
1665		Head Eng. Rogue I 50: Lage, Water.
1674		Head Canting Academy (2nd edn).
1688		R. Holme Academy of Armory Ch. iii item 68c: Canting Terms used by Beggars, Vagabonds, Cheaters, Cripples and Bedlams. [...] Lage, Water.
c.1698		B.E. Dict. Canting Crew n.p.: Lag water.
1725		New Canting Dict. [as cit. c.1698].
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
1741		Canting Academy, or the Pedlar’s-French Dict. 118: To go to Sea To brush to the Lag.
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
1809		G. Andrewes Dict. Sl. and Cant.
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.
1859		Matsell Vocabulum.

In compounds

lag-cull (n.) [cull n.¹ (4)]

(UK Und.) a sailor.

1741

Canting Academy, or the Pedlar’s-French Dict.