Definitions for "Howardite"
an Achondrite made of fragments of other types, usually Eucrite, Diogenite, Mesosiderite and chondrite. Howardites are broken meteoritic soils from the surface of an asteroid.
Howardites are achondritic stony meteorites that originate from the surface of the asteroid 4 Vesta, and as such are part of the HED meteorite group. There are about 50 distinct members known.