1
- an area of land cleared for cultivation by slashing and burning vegetation（割除和烧除植被后开出的）农田。
1.1
- mass noun the method of clearing land in this way割烧植被开垦农田的方法：
the practice of swidden.
割除烧去植被开垦农田的习俗。
词源
late 18th cent. （as a verb, originally dialect）： variant of dialect swithen 'to burn'.