1. In Sanskrit, it means remover of darkness or ignorance. Guru means a teacher.
2. In music – this is a Thāḷa movement which has the symbol 8 and has eight beats. It is formed by a beat of four counts and a wave of the hand for 4 counts (or by a sarpini, making a looping eight with the hand horizontally).
3. In Indian Astronomy, It is one of the Navagrahas (nine planets). Bruhaspathi is another name.