A hacek or háček (pronounced "'hatchek") is a diacritic (also known as a "caron") placed over certain letters to indicate palatalization[?] in the orthography of some Slavonic languages, such as Czech, and the Baltic languages and Estonian. It looks like an inverted circumflex and its name means "little hook" in Czech.
... (for the Aldwych branch of the Piccadilly Line)
These stations once served by the Metropolitan Line, District Line or Northern City Line (Great Northern & Cit ...