坐廁墊

toilet seat

to sit / to take a seat / to take (a bus, airplane etc) / to bear fruit / variant of 座[zuo4]

seating toilet

restroom / toilet / lavatory

used in 茅廁|茅厕[mao2 si5]

pad / cushion / mat / to pad out / to fill a gap / to pay for sb / to advance (money)