Incendiary \In*cen"di*a*ry\ (?; 277), n.; pl. Incendiaries. [L. incendiarius: cf. F. incendiaire. See Incense to inflame.]

1. Any person who maliciously sets fire to a building or other valuable or other valuable property.

2. A person who excites or inflames factions, and promotes quarrels or sedition; an agitator; an exciter.

Several cities . . . drove them out as incendiaries. --Bentley.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Incendiary \In*cen"di*a*ry\, a. [L. incendiarius, fr. incendium a fire, conflagration: cf. F. incendiaire. See Incense to inflame.]

1. Of or pertaining to incendiarism, or the malicious burning of valuable property; as, incendiary material; as incendiary crime.

2. Tending to excite or inflame factions, sedition, or quarrel; inflammatory; seditious. --Paley.

Incendiary shell, a bombshell. See Carcass, 4.

Source: Webster's Revised Unabridged Dictionary (1913)