the speech act of answering an attack on your assertions; "his refutation of the charges was short and persuasive"; "in defense he said the other man started it"
the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes
a center of activity or interest or commerce or transportation; a focal point around which events revolve; "the playground is the hub of parental supervision"; "the airport is the economic hub of the area"
a whole individual unit; especially when included in a list or collection; "they reduced the price on many items"
a distinct part that can be specified separately in a group of things that could be enumerated on a list; "he noticed an item in the New York Times"; "she had several items on her shopping list"; "the main point on the agenda was taken up first"
(used when listing or enumerating items) also; "a length of chain, item a hook"-Philip Guedalla
a crosspiece spreading the gunnels of a boat; used as a seat in a rowboat
hinder or prevent (the efforts, plans, or desires) of; "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent"