是what's the meaning?还是what's meaning?我记得上学时老师教的是前面一种,现在听一些人讲

看来四楼的老师是严重失职或误导了.What's meaning是绝对错误的,万万不能用的!
What's the meaning? 或 What is the meaning?是对的.
还可以用What the meaning of (+this word, this sentence, this gesture等)?作为一种句型.
另一种说法是：What does it mean?