寝しん室しつしんしつCommon wordJLPTN1Freq.FrequencyTop 20,000Meanings1nounbedroomA room specifically for sleeping, in a house or apartment.この家いえには寝しん室しつが三みっつあります。This house has three bedrooms.寝しん室しつの窓まどから朝あさ日ひが差さし込こむ。The morning sun shines in through the bedroom window.