Толковый словарь английского языка Oxford English Reference - wen

1. n. 1 a benign tumour on the skin esp. of the scalp. 2 an outstandingly large or congested city. Phrases and idioms the great wen London. Etymology: OE wen, wenn, of unkn. orig.: cf. Du. wen, MLG wene, LG wehne tumour, wart 2. n. (also wyn) a runic letter in Old and Middle English, later replaced by w. Etymology: OE, var. of wyn joy (see WINSOME), used because it begins with this letter: cf. THORN 3