also: とすいぐち
noun
spout; water outlet
Refers to a spout or outlet from which water is discharged, such as on a fountain, faucet, or appliance.
噴水の吐水口から水が勢いよく出ている。
Water is gushing out from the fountain's spout.
この洗濯機の吐水口は詰まりやすい。
The water outlet of this washing machine tends to get clogged.
Compound of 吐 (to, 'discharge') + 水 (sui, 'water') + 口 (kō/ guchi, 'mouth/opening'). The reading とすいこう uses on'yomi for all characters, while とすいぐち mixes on'yomi and kun'yomi.