Learner's definition of GROUT
[noncount] technical
: material used for filling spaces or cracks between tiles(用于瓷砖间填补裂缝、空隙的)勾缝剂
2 grout /ˈgraʊt/ verb
grouts; grouted; grouting
grouts; grouted; grouting
Learner's definition of GROUT
[+ object] technical
: to fill the cracks in (something) with grout用勾缝剂勾缝