martinmas
n. தூய திரு. மார்ட்டின் திருநாளாகிய நவம்பர்11
Mar"tin*mas, n. Etym: [St. Martin + mass religious service.] (Eccl.) Defn: The feast of St. Martin, the eleventh of November; -- often called martlemans. Martinmas summer, a period of calm, warm weather often experienced about the time of Martinmas; Indian summer. Percy Smith.