linker

noun

1. That which links.

2. (computer science) a computer program that takes one or more objects generated by compilers and assembles them into a single executable program.

3. (genetics) A short oligonucleotide containing a recognition sequence for a restriction enzyme, used to blunt the ends of sticky DNA segments.

4. (grammar) A word that serves to link other elements.

5. (finance, informal) A linked bond, one for which the principal is indexed to inflation.

verb

1. (genetics) To ligate a DNA segment using a linker.