T-junction

The English word “T-junction” has 2 meanings listed here.

noun

An intersection of routes where one road terminates as it joins a (usually higher priority) road at approximately 90°. In most countries, a give way or stop road sign will be seen at a T-junction.
A similarly shaped section in a pipe, etc.

From T (“capital letter”) + junction.

Keep exploring: in the interactive dictionary every word of a definition is a link. Open “T-junction” there

The English dictionary on Glottosphere has 650,529 entries with a page. Browse the English dictionary.

Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.