noun - a wooden house built in a tree

verb - to look at something

noun, British English - a tool that you use to open tins

noun - the part of gun that you press to make it fire

noun - a friend who you write letters with but do not know him in person

noun, informal - a friend who you write letters with but do not know him in person

verb - to produce music using an instrument

noun - a container where you put food etc. when you go to have a meal outdoors

adjective - (of a job) with shorter working hours than usual

verb - to risk money on something that might happen

verb - to rest on a sofa after a long day of work

verb - to wait for something good to happen

noun, informal - a critical, mocking or aggressive remark aimed at somebody

noun - a kind of cream that people put on their skin to prevent sunburns

noun - a place where you can have your car washed