noun - the fictional continent and setting for much of J.R.R. Tolkien’s writings, including The Hobbit and The Lord of the Rings
noun - the time when the sea is at its lowest level and the water has moved far back from the shore
noun - a situation in which one event or action causes a series of other events to happen, like ripples spreading on water
adjective - not intended to make a financial profit, usually referring to organizations or activities that focus on social, educational, or charitable purposes