411 REFERENCE · Wiktionary
Ferro meridian
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
So named because it runs through the island Ferro (El Hierro), considered the end of the known world by the Europeans at the time.
Proper noun
en historical geography A meridian formerly used as a prime meridian; now defined as 18.160792° west.
Further reading
en terms derived from toponyms