verb - to prepare or adjust something, especially a musical instrument, for optimal performance
verb - to make small adjustments to an engine or other mechanical device to ensure it is working properly and efficiently
noun, technical - a device or a part of a machine consisting of a bar or wheel with a set of angled teeth, allowing motion in one direction only, used in tools or mechanisms
noun - a phrase or sentence that is designed to be difficult to articulate properly
noun, technical - a medical doctor specializing in the diagnosis and treatment of eye disorders and diseases
noun - a domesticated mammal native to South America, related to the llama
noun, informal - a can of beer (Australian, informal)
noun, informal - a kindergarten (Australian, informal)
noun, British English, informal - a barbecue (Australian and British, informal)
noun, informal - a biscuit (Australian informal)
adjective - (of a bird) not able to fly
noun - a person who goes to a funeral and feels sad because someone has died