What does meal mean in cooking?

meal means: Grains and seeds are milled/ground coarser than flour. (in Cooking Dictionary)

What else does meal mean?

• All the food is served in one meal. (in Merlin Dictionary)
• An occasion or customary time for eating food. (in Merlin Dictionary)
• A cereal grass’s edible, whole- or ground-grains. (in Merlin Dictionary)
• Grinder produces granular substances. (in Merlin Dictionary)