jambeau
A piece of armour for the leg (especially below the knee), a greave.
historical
The mortall steele despiteously entayld / Deepe in their flesh, quite through the yron walles, / That a large purple streme adown their giambeux falles.
Any of the spikefishes of the genus Parahollardia.
Spotted spikefishes and jambeaus are diamond shaped, about as long as they are high, with the greatest depth occurring at the tips of the stout first dorsal and anal spines, near the midbody. The small caudal fin is broadly rounded.
Where it comes from
From Middle English iambeau(s) (compare jamber), from an Anglo-Norman [Term?] derivative of Old French jambe (“leg”): compare Old French jambiere. See jamb (noun). Compare lamboy(s).
Adapted from the Wiktionary entry jambeau (CC BY-SA 4.0).