bat turn

American  

noun

Air Force Slang.

1. a sharp and sudden change in an aircraft's heading.

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Example Sentences

So when France crushed a 3-2 changeup from lefty Matt Moore, confidently watching what he knew was a home off the bat turn into a majestic blast off the railing of the upper deck in left field, he proceeded to deliver an end-over-end bat flip and prolonged nod to his teammates.

From Seattle Times

If you don't believe it, just take any group of youngsters, give them a baseball and bat, turn them loose in a vacant lot, and watch them "choose up sides" and fall to work, screaming and shouting in wild excitement!

From Project Gutenberg