Pronunciation: [θˈɜːl] (IPA) 
The word "Thurl" might seem confusing when it comes to its spelling. It is pronounced as /θɜːl/, with the initial sound being the voiceless dental fricative sound (θ) followed by the vowel sound (ɜː) and the liquid sound (l). The spelling of the word lacks a clear indicator for the initial fricative sound that can be spelled as "th" or "thu". Thus, the word may pose a challenge to those not familiar with its pronunciation or spelling.
The term "Thurl" is a noun with various definitions depending on the context in which it is used. Primarily, it refers to the clear opening or passage formed by the separation of two objects or substances. It is often associated with structures such as doorways, gateways, or entrances, where it denotes the space between the frames or pillars that allows ingress or egress. In this sense, it signifies the gap or aperture that permits movement or passage.
Furthermore, "Thurl" can also characterize the width or breadth of a passage, indicating its size or capacity to accommodate the flow of people, vehicles, or objects. It implies the dimensions or extent of the open space available for traversal.
Beyond physical spaces, "Thurl" can be metaphorically employed to describe gaps or intervals in non-physical contexts. It can represent the distance or disparity between two concepts, ideas, or circumstances. It signifies a division or break in continuity, highlighting the differences or divisions that exist between elements. This connotation of "Thurl" refers to a figurative gap or separation, emphasizing variations or distinctions within a broader scheme.
In summary, "Thurl" encompasses both physical and metaphorical openings, gaps, or intervals. It includes the literal spaces between structures and objects, as well as the figurative divides or disparities between concepts, ideas, or circumstances.
A short communication between adits in mines; a long adit in a coal-pit.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "thurl" has Old English origins. It can be traced back to the Old English word "þyrle", which means "hole" or "opening". Over time, the word gradually evolved, and in Middle English, it transformed into "thirle", maintaining the same meaning. Eventually, the spelling changed to "thurl", and it continues to be used today, mostly in dialects and regional variations throughout the United Kingdom.
