herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests

genus Medicago, Medicago - a genus of herbs that resemble clover

Medicago arborea, moon trefoil - evergreen shrub of southern European highlands having downy foliage and a succession of yellow flowers throughout the summer followed by curious snail-shaped pods

Medicago falcata, sickle alfalfa, sickle lucerne, sickle medick - European medic naturalized in North America having yellow flowers and sickle-shaped pods

Calvary clover, Medicago echinus, Medicago intertexta - an annual of the Mediterranean area having spiny seed pods and leaves with dark spots

black medick, hop clover, Medicago lupulina, nonesuch clover, yellow trefoil - prostrate European herb with small yellow flowers and curved black pods; naturalized in North America

alfalfa, lucerne, Medicago sativa - important European leguminous forage plant with trifoliate leaves and blue-violet flowers grown widely as a pasture and hay crop

armed forces, armed services, military, military machine, war machine - the military forces of a nation; "their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker"

flight surgeon - a medical officer specializing in aviation medicine

medical man, medical practitioner - someone who practices medicine

Surgeon General - the senior medical officer in an army or navy