sidearm

adj : (of pitches) made with the arm moving parallel to the

ground; "a sidearm pitch"

adv : in a sidearm manner; "he prefers to throw sidearm"

sidecar

1. Synonym {slap on the side}. Especially used of add-ons for

the late and unlamented {IBM PCjr}.

2. The {IBM PC} compatibility box that could be bolted onto

the side of an {Amiga}. Designed and produced by {Commodore},

it broke all of the company's own design rules. If it worked

with any other peripherals, it was by {magic}.

[{Jargon File}]