1A hollow or ditch in which pigs wallow; also in extended use.
2(US) a natural depression having a similar appearance; frequently attributive in "hog wallow prairie".
Early 19th century.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。