The crossword solutions for the term 'Language Lesson' are IDIOM, which is a five letter word. An IDIOM is an expression or phrase that has a figurative meaning that is different from its literal meaning. Idioms are often used to express emotions or feelings in a more creative way than simply using literal language. They are also used to convey a particular message or idea in a more concise manner. Idioms are an important part of any language and can be used to add color and flavor to conversations.