Noun | 1. | Caitra - the first Hindu calendar month (corresponding to March in the Gregorian calendar) Hindu calendar - the lunisolar calendar governing the religious life of Hindus; an extra month is inserted after every month in which there are two new moons (once every three years) Hindu calendar month - any lunisolar month in the Hindu calendar Ramanavami - Hindu lunar holiday (on the 9th day of Caitra) to celebrate the birth of Rama |