1
- subject to debate, dispute, or uncertainty, and typically not admitting of a final decision有讨论余地的; 悬而未决的：
whether the temperature rise was mainly due to the greenhouse effect was a moot point.
气温上升是否主要是因温室效应而致还有待讨论。
1.1
- having no practical significance, typically because the subject is too uncertain to allow a decision无实际意义的：
it is moot whether this phrase should be treated as metaphor or not.
这短语是否应被看做隐喻是无实际意义的。
with obj.(一般作be mooted)
- raise (a question or topic) for discussion; suggest (an idea or possibility)提出（问题, 主题）供讨论; 建议, 提议。
1
- Brit. an assembly held for debate, especially in Anglo-Saxon and medieval times〈英〉（尤指盎格鲁-撒克逊人时代和中世纪的）辩论集会。
1.1
- a regular gathering of people having a common interest集会; 聚会。
2
- Law a mock trial set up to examine a hypothetical case as an academic exercise【律】（为学习目的对假想案件的）模拟审判。
USAGE
Note that a question subject to debate or dispute is a moot point, not a mute point. As moot is a relatively uncommon word people sometimes interpret it as the more familiar word mute.
词源
Old English mōt 'assembly or meeting' and mōtian 'to converse'， of Germanic origin; related to MEET1. The adjective （originally an attributive noun use: see MOOT COURT） dates from the mid 16th cent.; the current verb sense dates from the mid 17th cent.