noun ogonek a mark (˛) placed under a letter, as Polish a or e, to mark a nasal sound; an inverted cedilla. 1
noun ogonek (orthography) A hook-shaped diacritical mark attached underneath a vowel, typically to indicate nasalization, as in 'Ąą', 'Ęę', 'Įį', 'Ǫǫ' or 'Ųų'. 1
