noun - one of the things from which a substance or system is formed

noun - a person who works in the civil service

noun, British English - a teacher who is responsible for a particular class

verb - something has been left for you to use or deal with when you arrive

noun - the period of time that is happening right now

verb, formal - to deserve a particular treatment or action (attention, praise, etc.)

verb - to produce foam

noun - a white mass of bubbles produced when mixing soap with water

noun, American English - a road or path with large trees on either side

noun, British English - a road or path with large trees on either side

noun - a road or path with large trees on either side

noun - an evergreen tree that grows fast and is very popular as a hedge

noun - an evergreen tree that grows fast and is very popular as a hedge

noun - a climbing plant with white, yellow or pink flowers that smell sweet

noun - a bush or small tree, usually with red or yellow stems, very popular in gardens