caulk(also esp US calk), / kɔ:k; kɔk/ v [Tn](a) make (esp a boat) watertight by filling the seams or joints with waterproof material （用防水材料填充缝隙或连接处）使（尤指船）不漏水.(b) fill up (esp cracks in wood) with a sticky substance 用黏性物质填塞（尤指木缝）; 泥（缝）.
牛津英汉双解词典