n (uncountable) The juice of plants of any kind, especially the ascending and descending juices or circulating fluid essential to nutrition.
n (military) A narrow ditch or trench made from the foremost parallel toward the glacis or covert way of a besieged place by digging under cover of gabions, etc.
v (transitive) To subvert by digging or wear away|wearing away; to mine; to undermine; to destroy the foundation of.