Annoyed pregnant woman purposely trips little boy and gives him a concussion

boing
47

As a native English speaker, I would think that “tackling” would normally infer grappling with the target, rather than tripping. So the following is what I would call a tackle.

http://www.totalprosports.com/wp-content/uploads/2013/07/pick-up-throw-down-tackle-rugby-tackle-hit-gifs.gif(image larger than 3072KB)