The Collaborative International Dictionary
Culrage
Culrage \Cul"rage\ (k?l"r?j), n. [OE. culrage, culrache; prob. fr. F. cul the buttok + F. & E. rage; F. curage.] (Bot.) Smartweed ( Polygonum Hydropiper).
Wiktionary
culrage
n. (context dated English) smartweed