noun - an area in the north of the central part of the US that includes Ohio, Minnesota, Nebraska, Michigan, etc.

noun - (in vitro fertilization) fertilization of an egg outside the body, followed by implantation in the uterus

noun - an animal of the sex that does not give birth to the young, opposite of 'female'

noun, formal - an attempt or an effort to do something

noun - an act of shouting in an angry way

noun - an area of interest, an area of knowledge

noun, American English, informal - an extremely good or an extremely bad thing

noun - a simple device consisting of a wheel on an axle, you put a rope around the wheel and use it to lift loads etc.

noun - a platform built on the upstairs outer wall of a house with a rail around it, you can get there from an upstairs room

noun - an act of cleaning something by rubbing it hard with an instrument, such as a stiff brush

noun - an terrible event (such as an earthquake, fire etc.) that brings a lot of damage or harm