grout

/ɡraʊt/
verb
  1. To fill the gaps between tiles with grout.
    • After tiling the countertop, she spent the afternoon grouting the seams.
    • He learned how to grout a shower wall by watching online tutorials.
    • We need to grout the floor tiles before we can move the furniture back in.
noun
  1. A mixture of cement, sand, and water used to fill the gaps between tiles.
    • The contractor said the grout needs to dry for 24 hours before we can use the shower.
    • She carefully applied grout between each tile on the kitchen backsplash.
    • The bathroom tiles look clean now that we replaced the old grout.