The Collaborative International Dictionary
Reef-band
Reef-band \Reef"-band`\ (r[=e]f"b[a^]nd`), n. (Naut.)
A piece of canvas sewed across a sail to strengthen it in the
part where the eyelet holes for reefing are made.
--Totten.
Wiktionary
reef-band
n. (context nautical English) A piece of canvas sewn across a sail to strengthen it in the part where the eyelet holes for reefing are made.