[mass noun]a waterproof filler and sealant, used in building work and repairs (用于建筑工程及建筑维修的)防水填料,密封剂
verb
[with obj.]seal (a gap or seam) with such a substance 用填料或密封剂密封(缺口,隙缝) ■stop up (the seams of a boat) with oakum and waterproofing material, or by driving plate-junctions together; make (a boat) watertight by this method (用麻絮和防水材料)填塞(船板的接缝);使(船板)紧密接合;使船不漏水
派生 caulker noun 语源
late Middle English (in the sense 'copulate', used of birds): from Old Northern French cauquer, caukier, variant of cauchier 'tread, press with force', from Latin calcare 'tread', from calx, calc- 'heel'