hairy vetch
- n European vetch much cultivated as forage and cover crops
haematite
- n the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form
haem
- n a complex red organic pigment containing iron and other atoms to which oxygen binds
haemal arch
- n a structure arising ventrally from a vertebral centrum and enclosing the caudal blood vessels
haemangioma
- n benign angioma consisting of a mass of blood vessels; some appear as birthmarks
haemanthus
- n genus of African deciduous or evergreen bulbous herbs: blood lilies
haemanthus coccineus
- n spectacular plant having large prostrate leaves barred in reddish-purple and flowers with a clump of long yellow stamens in a coral-red cup of fleshy bracts; South Africa
haematinic
- n a medicine that increases the hemoglobin content of the blood; used to treat iron-deficiency anemia
haematobia irritans
- n small black European fly introduced into North America; sucks blood from cattle especially at the base of the horn