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 - the tendency to emphasize or expect the worst possible outcome, or the belief that the negative aspects of life or events outweigh the positive ones
noun - a celebration held to mark the anniversary of a person’s birth
adjective - giving pleasure or satisfaction; agreeable or attractive
adjective - relating to the earliest ages of the world or human history; ancient or prehistoric
noun - a person who comes from Brittany (a part of France)
noun - a Celtic language spoken by some people in the north-west of France
noun - a Celtic language that almost disappeared, now spoken by some people especially in Cornwall, UK
adjective - connected with one of the branches of Celtic languages that includes Welsh, Cornish and Breton
noun - a gemstone from a group of silicate minerals, typically deep red, valued for its beauty and durability in jewellery
noun - a precious stone, esp. when polished and used in making jewelry
noun, American English - an establishment that combines a brewery with a pub or restaurant, where beer is brewed on-site and served to customers alongside a menu of food