Definition of "interlock" []

• To unite or join closely as by hooking or dovetailing. (verb-transitive)
• To connect together (parts of a mechanism, for example) so that the individual parts affect each other in motion or operation. (verb-transitive)
• To become united or joined closely, as by hooking or dovetailing. (verb-intransitive)
• A mechanical device that prevents a component from functioning when another component is functioning or situated in a particular way. (noun)
• A stretchy fabric knitted with interlocking stitches by alternating sets of needles on a circular knitting machine. (noun)

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.

• "Hornaday's 180 grain interlock serves me very well in the .300 Win Mag with IMR 4831."
• "The interlock is the prints, which are all kiddo friendly: bugs, farm, puppies, and the jungle print shown here."
• "The screeding frames for tiles (6 and 8 mm thick) are shaped to provide an "interlock" at the mitre - the diagonal mitre has been replaced by a dog-legged mitre."