grout
verb [ T ] uk/ɡraʊt/ us/ɡraʊt/
在…的瓷砖缝隙中抹胶泥，给…的瓷砖勾缝
to put a thin line of mortar in the spaces between tiles
We spent the weekend grouting the bathroom. 我们花了一个周末的时间给浴室的瓷砖勾缝。
grout
noun [ U ] uk/ɡraʊt/ us/ɡraʊt/ (also grouting, /ˈɡraʊ.tɪŋ/ /ˈɡraʊ.t̬ɪŋ/)
（用于瓷砖接缝处的）水泥浆，石灰浆
mortar used for grouting