Depth Of Water
Noun
すいしん
水深100フィートまでもぐったことがあります。
I've dived to depths of one hundred feet before.
このプールの水深はあさいから、心配しなくていいよ。
You don't have to worry because this pool is very shallow.
ダイビングをしている際に、水深十メートルのところで虹色の海藻を見つけました。
While diving at a depth of ten meters, I found rainbow-colored seaweed.
The water deepness is the water depth. You should check this before diving into the water so you don't hit your face.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.