Word

逃げ溝

にげ溝、逃げみぞ
にげみぞ
clearance groove; under cut
Word

U字溝

ユーじこう
U-shaped gutter
Word

大溝

おおどぶ
large ditch
Word

歯肉溝

しにくこう
gingival sulcus
Word

溝蜆

土負蜆
どぶしじみ、ドブシジミ
Sphaerium japonicum (species of fingernail clam)
Word

溝浚い

どぶさらい
cleaning out mud from a ditch or drain
Word

溝溜

こうりゅう
drain and pool for collecting sewage, etc.
Word

溝腹綱

こうふくこう
Solenogastres (subclass of small worm-like molluscs)
Word

溝状舌

こうじょうぜつ
fissured tongue
Word

溝酸漿

みぞほおずき
monkey flower (plant); mimulus (plant) (Mimulus nepalensis var. japonicus)