1. In programming, referring to a function call replaced with an instance of the function’s body. Actual arguments are substituted for formal parameters. An inline function is usually done as a compile-time transformation to increase the efficiency of the program. Also called: unfold, unroll.
2. In html code, referring to graphics displayed along with html-formatted text. Inline images placed in the line of html text use the tag. Text within an inline image can be aligned to the top, bottom, or middle of a specific image.