a wooden house with a roof that slopes steeply down over the sides, usually built in mountain areas, especially in Switzerland （尤指瑞士山区的）小木屋 - (British English)
a small house or hut, especially one used by people on holiday at the sea （尤指海边度假用的）小屋，棚屋
Word Originlate 18th cent.: from Swiss French, diminutive of Old French chasel ‘farmstead’, based on Latin casa ‘hut, cottage’.