FLAG
Flag, n. Etym: [From Flag to hang loose, to bend down.] (Bot.)

Defn: An aquatic plant, with long, ensiform leaves, belonging to
either of the genera Iris and Acorus. Cooper's flag, the cat-tail
(Typha latifolia), the long leaves of which are placed between the
staves of barrels to make the latter water-tight.
— Corn flag. See under 2d Corn.
— Flag broom, a coarse of broom, originally made of flags or
rushes.
— Flag root, the root of the sweet flag.
— Sweet flag. See Calamus, n., 2.

FLAG
Flag, v. t.

Defn: To furnish or deck out with flags.

FLAG Flag, n. Etym: [Icel. flaga, cf. Icel. flag spot where a turf has been cut out, and E. flake layer, scale. Cf. Floe.]

1. A flat stone used for paving. Woodward.

2. (Geol.)

Defn: Any hard, evenly stratified sandstone, which splits into layers suitable for flagstones.

FLAG
Flag, v. t.

Defn: To lay with flags of flat stones.
The sides and floor are all flagged with . . . marble. Sandys.