Plural form referring to multiple instances of darning work, or several darned areas in fabric.
Simple plural of 'darning' formed with the '-s' suffix, derived from 'darn' (euphemism for 'damn') plus '-ing' to indicate the ongoing action or result.
Looking at historical clothing in museums, you can see elaborate darnings on garments showing how people reused clothes extensively—some pieces have been darned so many times they're more thread than original fabric!
Complete word intelligence in one call. Free tier — 50 lookups/day.