[{"Bold_text": "noun", "List Items": ["Phonetics, Orthography.a diacritic (¸) placed under a consonant letter, as undercin French, in Portuguese, and formerly in Spanish, to indicate that it is pronounced (s), undercandsin Turkish to indicate that they are pronounced, respectively, (ch) and (sh), or undertandsin Romanian to indicate that they are pronounced, respectively, (ts) and (sh).", "Orthography.this mark used as a diacritic of arbitrary value in transliteration of words from non-Roman into Roman alphabetic characters."]}]