A raised platform in an early Christian church, as well as in the Eastern Orthodox, Oriental Orthodox, and Eastern Catholic churches.
1918, ‘It will get better somehow,’ he thought, and went to the ambo. On going up the steps and turning to the right he saw the priest. — Leo Tolstoy, Anna Karenina, tr. Louise & Aylmer Maude (Oxford 1998, page 438)
A stationary podium used for readings and homilies.
An ambulance driver.
An ambulance.