(Au figuré) Fouiller. Piocher un sujet.
Creuser. Piocher la terre.
1. To be a student; follow a course of study; be enrolled at an institute of learning.
2. To give careful consideration to; SYN. consider.
3. To learn by reading book
4. To think intently and at length, as for spiritual purposes; SYN. meditate, contemplate.