n.an annual phase of heightened sexual excitement in the males of certain large mammals (especially elephants); is associated with discharge from a gland between the eye and ear
"the frenzied elephant was in musth"
英汉双解大词典
musth(alsomust)
1.
N（名词）
a state of frenzied sexual excitement in the males of certain large mammals, esp elephants, associated with discharge from a gland between the ear and eye (雄象等的)发情期狂暴