Added 9 October 2026
libra
/ˈliːbrə/ noun
Latin root: lībra Wiktionary
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about libra at Wordnik → Where our words come from →
- A Roman unit of mass, usually equivalent to 327 g.
- A traditional Spanish unit of mass, usually around 460 g.
- A traditional Portuguese unit of mass, usually equivalent to 345 g and particularly used for trade in medicines.
Origin
From Latin lībra (“pound”), partially via Italian, Spanish, and Portuguese libra. Doublet of arratel, libbra, Libra, lira, litra, litre, livre, and rottol.
From Wiktionary, via Kaikki.org (CC BY-SA)