The term "lochan" originates from Scottish Gaelic, where it denotes a small body of water, typically smaller than a loch. In poetry, it evokes imagery of serene landscapes and natural beauty, often associated with the rugged and romantic scenery of Scotland. In Fiona Macleod's poem "The Rune of the Four Winds," the word "lochan" appears alongside "loch-face" and "river," emphasizing the interconnectedness of various water bodies in the natural world and contributing to the poem's themes of nature and spirituality.

The term "lochan" is often used in Scottish literature and can be found in various poems and songs that celebrate the natural environment. It is important to distinguish "lochan" from "loch," which refers to a larger lake. When using "lochan," poets can create a sense of intimacy and tranquility. The word is derived from the Scottish Gaelic "lochán," a diminutive form of "loch," indicating its smaller size.