infill

verb

1. To fill in a space, hole or gap.

   “Here the original drawing is shown in grey and the infilled tracing in black. The lettering can be further refined and, unlike ink-based artwork, can be rekerned without being redrawn.”

2. To rededicate land in an urban environment to new construction.

noun

1. (countable, uncountable)That which fills in a space, hole or gap.

   “Government needs to provide certainty to the rail freight industry with infill electrification programmes [...]. "First, it's about Government committing to infill electrification so we can do things with the locomotives we already have, and then a rolling plan of electrification."”

2. (countable, uncountable)The redecoration of a fingernail or toenail after it has grown, to prevent an unsightly gap.
3. (alt-of, alternative, countable, uncountable)Alternative form of infil (“infiltration”).

   “Hinton and I were briefed at the TOC and received maps of our AO to memorize and mark with codes for the primary and secondary LZs for infill and exfill.”

   “Pedestrian infill/exfill from Atwater Street”