n.
perception of sounds
1) acute, keen ~
2) defective, impaired ~
3) hard of ~; ~ impaired
session of a committee, court
4) to conduct, hold a ~
5) a fair, impartial; open ~ (he got a fair ~)
6) Congressional ~s
7) an administrative; judicial; pre-trial; public ~
8) at a ~ (to testify at a ~)