the fluid that is secreted into the mouth by certain glandsunaware that spittle was leaking out of his mouth while he slept
unaware that spittle was leaking out of his mouth while he slept
drool, saliva, slaver, slobber, spit
foam, frothexpectoration, salivation, sputum
before the 12th century
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。