Pronunciation: [dˈiːk] (IPA) 
The word "deek" is often used as slang for a quick glance or peek. Its spelling can be confusing due to its close resemblance to "dick", but it is important to note that they are not the same word. The correct pronunciation of "deek" is /diːk/, with a long "e" sound and a hard "k" sound at the end. Using IPA phonetic transcription can help clarify the correct spelling and pronunciation of this word.
Deek, also spelled dyke or dike, is a colloquial term used in Scottish English and some regional dialects within the United Kingdom, particularly in the North of England, to describe a quick, discreet, or sneaky glance or look. It is primarily used to refer to the act of secretly looking at someone or something, typically to gain information or to satisfy one's curiosity without being noticed. The term can be used both as a noun and a verb.
As a noun, it refers to the act of taking a quick deek or glance. For example, "He took a deek out of the corner of his eye."
As a verb, it describes the action of quickly looking or glancing, often without others noticing. For instance, "She deeked into the room to see what was happening."
The term "deek" is believed to originate from the Old Norse word "dík," which refers to a ditch or a small channel of water. The association with peering or spying can be metaphorically linked to the idea of looking over or into a small trench or pit. Over time, the term has evolved to represent a secretive or furtive observation or examination of a person, situation, or object.
In summary, "deek" is a colloquial expression used to describe a discrete or sneaky glance or look often done quickly or secretly without attracting attention.
The word "deek" is believed to have originated in Scotland around the early 20th century. It is derived from the Scots term "deke", which means to dodge or evade. "Deke" itself is a variant of the word "duck", which has a similar meaning. In Scottish slang, "deek" is commonly used as a verb, meaning to take a quick look or glance at something. It can also be used as a noun to refer to a look or glance. The term has gradually become popular in other English-speaking regions as well.
