infill

/ˈɪnˌfɪl/
noun
  1. Material used to fill a space or gap, such as in construction or urban development.
    • The cushion's infill is made of recycled foam.
    • The builders used gravel as infill for the foundation trench.
    • The city encouraged infill development to use empty lots in the downtown area.
verb
  1. To fill in a space or gap, especially in construction or urban planning.
    • They plan to infill the empty lot with a small park.
    • The contractor will infill the cracks in the wall with plaster.
    • Developers want to infill the area between the two buildings with new apartments.
Synonyms
What does "infill" mean? | whatsthatwordmean | whatsthatwordmean