an arrow that is shot from a crossbow; has a head with four edges
an angry dispute; "they had a quarrel"; "they had words"
have a disagreement over something; "We quarreled over the question as to who discovered America"; "These two fellows are always scrapping over something"
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law; "any derogation of the common law is to be strictly construed"