1) Banned sports tactic 2) Canadian football terminology 3) Fishing in a way 4) Harpoon function 5) Primitive hunting method 
[gridiron football] Spearing or spear tackling is a method of tackling in American and Canadian football in which a player uses their body as a spear (head out, arms by their side), whether it be in attack or defence. It is considered legal as long as players do not make initial contact with their head. Illegal use of a spear in gridiron re...
A penalty assessed against a player who uses his helmet deliberately in an attempt to injure another player. Spearing is cause for ejection from the game.
• (p. pr. & vb. n.) of Spear
Spearing means stabbing an opponent with the point of the stick blade whether contact is made or not
[Ice Hockey] a major penalty which occurs when a player illegally jabs, or even just attempts to jab, the point of his stick blade into another player`s body; one of the most serious infractions a player can commit; results in an automatic game misconduct.
A penalty where the tackler
An unnecessary roughness penalty of 15 yards imposed when the player drives his helmet into an opponent in an unnecessary and excessive manner. The referee's signal is a chopping motion above the head.