Secured or loaded by means of a spring.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "spring-loaded" in a sentence
"Or the spring-loaded longshoreman's hooks built into his gauntlets ... yanno, for combat or climbing."
"Dude makes homemade spring-loaded Wolverine*-style claws and uses them to fight evil in the form of a cardboard box."
"In 1904, Anderson applied for a patent for her solution to the problem: a lever that, when operated by the driver, made a spring-loaded arm wipe off the windshield and swing back to its original location."