sound 4 
(sound)
(sound)v. sound·ed, sound·ing, sounds
v.tr.
1. To measure the depth of (water), especially by means of a weighted line; fathom.
2. To try to learn the attitudes or opinions of: sounded out her feelings.
3. To probe (a body cavity) with a sound.
v.intr.
1. To measure depth.
2. To dive swiftly downward. Used of a marine mammal or a fish.
3. To look into a possibility; investigate.
n.
An instrument used to examine or explore body cavities, as for foreign bodies or other abnormalities, or to dilate strictures in them.
[Middle English sounden, from Old French sonder, from sonde, sounding line, probably of Germanic origin.]
sounda·ble adj.
- secluded
- secludedly
- seclusion
- seclusive
- seclusively
- secobarbital
- second
- second
- Second Advent
- secondarily
- secondariness
- secondary
- secondary accent
- secondary battery
- secondary cell
- secondary color
- secondary consumer
- secondary electron
- secondary emission
- secondary growth
- secondary market
- secondary offering
- secondary school
- secondary sex characteristic
- secondary stress