infill
verb /ˈɪnfɪl/
  /ˈɪnfɪl/
[intransitive, transitive]Verb Forms
| present simple I / you / we / they infill |  /ˈɪnfɪl/  /ˈɪnfɪl/ | 
| he / she / it infills |  /ˈɪnfɪlz/  /ˈɪnfɪlz/ | 
| past simple infilled |  /ˈɪnfɪld/  /ˈɪnfɪld/ | 
| past participle infilled |  /ˈɪnfɪld/  /ˈɪnfɪld/ | 
| -ing form infilling |  /ˈɪnfɪlɪŋ/  /ˈɪnfɪlɪŋ/ | 
- (of buildings) to fill the spaces around or between other buildings; to be filled in this way- The motel has remained in place for more than 50 years as development has infilled around it.
- infill something (with something) We passed shabby old housing infilled with trendy new apartment blocks.
 
- to fill a space in something; to be filled by something- infill something (with something) The timber frame is infilled with straw bales.
- infill with something The cracks subsequently infilled with sand.