- The act or process of inserting. (noun)
- Something inserted, as an ornamental strip of lace or embroidery inserted between pieces of fabric. (noun)
- Anatomy The point or mode of attachment of a skeletal muscle to the bone or other body part that it moves. (noun)
- Genetics The addition, as by mutation, of one or more nucleotides to a chromosome. (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.