A small, thin piece of something, especially one that has been or become detached from a larger piece. She brushed the flakes of paint off her shoulder.
A person who is unreliable or eccentric. He's such a flake; he never shows up on time.
A small, flat, thin piece of stone, especially one that has been struck off a larger piece during the process of making a tool or weapon. Archaeologists found several flakes at the ancient site, indicating tool-making activities.
Usually plural: a small, thin, crisp piece of breakfast cereal. He poured a bowl of corn flakes for breakfast.
A crystal of snow; a snowflake (chiefly literary). A few flakes drifted past the window as dusk fell.
Australian English: the flesh of certain small sharks, sold as food (especially in fish and chip shops). She ordered a serving of battered flake with chips.
Slang: cocaine in the form of a powdery or crystalline substance. He was arrested for possession of flake.