Meaning

3 senses
  1. An in-between space.

    (broadly)(architecture) The gaps between buildings/floors in architecture, used for systems and movement; the neglected or overlooked spaces between built structures, like alleys, courtyards, or empty lots.

  2. (broadly)(anatomy) The fluid-filled area between cells in tissues (interstitium).

  3. (broadly)(sociology) The informal, transitional zones where people from different groups or fields (e.g., hobbyists, professionals) interact.

Forms

plural: interstitial spaces

See also

neighbours in the dictionary
interstitial space — meaning, examples, forms, synonyms | Krumeto