surface-to-air missile(n = noun.artifact) sam - a guided missile fired from land or shipboard against an airborne target;
is a kind of guided missile
is a part of surface-to-air missile system
has particulars: manpad, stinger

air-to-air missile, air-to-ground missile, air-to-surface missile, antiballistic missile, ballistic missile, ballistic missile defense organization, basic point defense missile system, cruise missile, fleet ballistic missile submarine, guided missile, guided missile cruiser, guided missile destroyer, guided missile frigate, heat-seeking missile, intercontinental ballistic missile, missile, missile defence system, missile defense system, naval missile, surface-to-air missile system