What's the difference between cannon and capsquare?

Cannon

Definition:

(pl. ) of Cannon
(n.) A great gun; a piece of ordnance or artillery; a firearm for discharging heavy shot with great force.
(n.) A hollow cylindrical piece carried by a revolving shaft, on which it may, however, revolve independently.
(n.) A kind of type. See Canon.
(n. & v.) See Carom.

Example Sentences:

(1) He is a leader and helps manage the defence, while Pablo Armero can be a bit of a loose cannon but he is certainly a talented player.
(2) The authorities had said they used water cannon, teargas and smoke grenades to break up the protest.
(3) Cannon bone circumference at weaning was increased (P less than .05) by growth implants.
(4) The spectacle earlier this year of London's mayor, Boris Johnson , rushing ahead to buy water cannon for use in the capital before the home secretary had authorised the use of such equipment, is hardly helpful.
(5) Sound velocities, breaking strengths calculated from velocities adjusted for estimated soft tissue cover, measured bone mediolateral diameters and cannon diameters minus estimated soft tissue increased as quadratic functions of chronologic age (r greater than .840; P less than .0001).
(6) A protester is knocked back by a police water cannon as riot police advance towards Gezi Park.
(7) You'd have to throw him, pick him up and then fire him from a cannon.
(8) Security forces deployed teargas and water cannon against around 20,000 protesters in Izmir.
(9) You’re practically handing your personal information over to a fraudster,” says John Cannon, fraud and ID director at credit report provider Noddle.
(10) Barthez may or may not have got a touch, and the ball cannons off the bar.
(11) The coupling of ion channels to receptors by G proteins is the subject of this American Physiological Society Walter B. Cannon Memorial "Physiology in Perspective" Lecture.
(12) The Police Service of Northern Ireland has six water cannon but has told Acpo it is unable to lend them for use in England and Wales.
(13) The water cannons (mentioned at 10.53 ) are also new, Helena explains: The coalition government is keen not to be seen to be heavy-handed during the protests that will mark today's strike.
(14) Outside Sana'a University, riot police armed with water-cannons used batons and shields to disperse protesters.
(15) Walter Cannon with his concept of homeostasis and Henderson, Gamble, Peters and Van Slyke with their definition of the chemical anatomy of the organic fluids and their quantitative analysis, opened the way to Francis Moore's concept of surgery and trauma as metabolic problems.
(16) The policies have begun to infringe on the private lives of media professionals, dictating what they can and can’t say in a private capacity, outside of their work.” SBS colleagues of McIntyre said he is a “contrarian” and “a loose cannon”.
(17) Chief constables are to press the home secretary, Theresa May , to authorise the use of water cannon by any police force across England and Wales to deal with anticipated street protests.
(18) Size 75 Cannon-Manning semimicro viscometers yielded the most precise viscosity measurements.
(19) Sonic cannons are already used in the western Gulf of Mexico, off Alaska and in other offshore oil operations around the world.
(20) Presented here is a case of first degree A-V block with cannon waves.