乾かん草そうかんそうMeanings1nounhay; dry grassRefers to grass that has been cut and dried for use as animal feed or bedding. The cross-reference 干し草 is a more common synonym.See also: 干し草馬うまに乾かん草そうを与あたえる。I give hay to the horse.納な屋やに乾かん草そうが積つんである。Hay is piled up in the barn.