Acronym for cathode-ray oscilloscope, an electronic device which provides visual images of varying electrical quantities. See oscilloscope.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "cro" in a sentence
"Herald and Wrangel islands were sighted from the "cro'-nest" and, as they were neared, apparently free from ice."
"While the headline above may not be true now, if I worked on the Kindle team at Amazon, I'd be running around figuring out who I had to kill, bribe, or screw to get some kind of cro ..."
"Like the cro-magnon man before us, we hunt and gather and ultimately hoard (substitute furs and herbs with phasers and variant covers)."