菟丝 tùsī dodder Definitions Defs Origin Strokes Stroke Words Sentences Sents 菟 tù dodder (bound form) dodder, referring to a parasitic vine with seeds used in medicine, such as 菟丝子 tùsīzǐ丝 絲 sī noun strand anything thin and long like a thread, such as wire, hair, or julienne strips of food