noun (common) (futsuumeishi) trough;gutter;water pipe;flume;chute

noun (common) (futsuumeishi) only applies to ひ coulisse (of a sword blade)

Toi

Toizaki

Higuchi

Hidaka

noun (common) (futsuumeishi) rain chain (hanging from a gutter and functioning as downspout, often made of ornamental cups)