Top definition
Someone's ability to grow, mentally or physically, at an accelerated rate due to the conditions in which, or place that they exist in.
a:Hey, that guy builds muscle really quickly.
b:That's because he has rectus.

Her rectus means she's a really fast learner.
by from The Can January 27, 2005
Get the mug
Get a wrectus mug for your grandma Sarah.