caulk

noun
UK: /kɔːk/
US: /kɔːk/

  1. A substance used to fill cracks and seal joints to make them airtight or watertight.

    1. I need some caulk for the bathroom.
    2. The old window frames needed fresh caulk to prevent water from seeping inside during heavy rains.

  2. A flexible sealant used to close gaps in order to prevent leaks.

    1. Apply caulk around the sink.
    2. The builder used a special type of caulk to seal the expansion joints in the concrete.

Synonyms

sealant seal filler grout
caulk verb

  1. To fill cracks or seal joints with caulk.

    1. Caulk around the tub to stop leaks.
    2. We have to caulk the windows before winter comes to insulate the house properly.

  2. To seal something tightly to prevent air or water from escaping or entering.

    1. I will caulk the gap in the wall.
    2. The plumber had to caulk around the pipes to ensure a watertight seal and prevent any future leaks.
caulk adjective

  1. Relating to or resembling caulk; used for sealing.

    1. The caulk sealant worked well.
    2. The hardware store sells caulk materials, perfect for home repairs.

Frequently Asked Questions

The word "caulk" in English means: A substance used to fill cracks and seal joints to make them airtight or watertight., A flexible sealant used to close gaps in order to prevent leaks..

The phonetic transcription of "caulk" is /kɔːk/ in British English and /kɔːk/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "caulk": sealant, seal, filler, grout.

Example usage of "caulk": "I need some caulk for the bathroom.". More examples on the page.