compiler

noun

1. A computer program that translates source code written in one programming language into machine code, bytecode, or another form that a computer can execute.

   B1

   countableformal

   • "The compiler found an error in my program."B1
   • "You need to install a compiler before you can build the application."B2
   • "The compiler optimizes the code to improve the program's performance."C1

2. A person who collects and arranges information, texts, or other material into a book, list, or collection.

   C1

   countable

   • "The compiler of the dictionary checked every definition carefully."B2
   • "The compiler arranged the articles in chronological order."C1