v To (l|en|contaminate) or (l|en|corrupt) (something) with an external (l|en|agent), either (l|en|physically) or (l|en|morally).
v To (l|en|spoil) (food) by (l|en|contamination).
n A (l|en|thrust) with a (l|en|lance), which fails of its intended (l|en|effect).
n An (l|en|injury) done to a (l|en|lance) in an encounter, without its being broken; also, a breaking of a lance in an encounter in a (l|en|dishonorable) or unscientific manner.