Defn: The frame or timbers on which a ship rests while building.

17. pl.

Defn: Red and gray bricks, used for the exterior of walls and the front of buildings. [Eng.]

18. (Bot.)

Defn: Any cruciferous plant of the genus Matthiola; as, common stock
(Matthiola incana) (see Gilly-flower); ten-weeks stock (M. annua).

19. (Geol.)

Defn: An irregular metalliferous mass filling a large cavity in a rock formation, as a stock of lead ore deposited in limestone.

20. A race or variety in a species.

21. (Biol.)

Defn: In tectology, an aggregate or colony of persons (see Person), as trees, chains of salpæ, etc.