A Concrete

1. (obsolete) A solid mass formed by the coalescence of separate particles; a compound substance, a concretion.
2. Specifically, a building material created by mixing cement, water, and aggregate such as gravel and sand.
3. (logic) A term designating both a quality and the subject in which it exists; a concrete term.
4. Sugar boiled down from cane juice to a solid mass.
5. (US) A dessert of frozen custard with various toppings.
6. (chemistry) An extract of herbal materials that has a semi-solid consistency, especially when such materials are partly aromatic.