mongrel
/ˈmʌŋgrəl/noun
1- a dog of no definable type or breed杂种狗：
as modifier a mongrel bitch.杂种母狗。
1.1
- any other animal resulting from the crossing of different breeds or types杂种动物。
1.2
- offensive a person of mixed descent〈冒犯〉（人）杂种。
派生词
mongrelism
noun词源
late Middle English: of Germanic origin, apparently from a base meaning 'mix'， and related to MINGLE and AMONG.