[f. CAN sb.1 + DOCK sb.1] The Yellow Water-lily. Also applied to the White Water-lily; see quots.
1661. Walton, Angler (ed. 3), xx. 242. To kill the water weeds, as Water-lillies, Candocks … and Bull-rushes that breede there.
[1787. Withering, Bot. Arrangem. (ed. 2), II. 555 (Britten & Holl.). Nymphæa alba [called Watercan] at Tamworth, from the half unfolded leaves floating on the water, being supposed to resemble cans.]
1820. Salter, Troller’s Guide, 88. Candock Weeds (by some called the Water Lily).
1821. S. F. Gray, Brit. Plants, II. 797. Nymphæa alba, White Water-Lily … White water-can, Candock.
1879. Prior, Plant-n., Can-dock, from its broad leaves, and the shape of its seed vessel, like that of a silver can or flagon. Dan. aa-kande, the yellow water-lily.
