The Collaborative International Dictionary of English v.0.48:

Incense \In"cense\, n. [OE. encens, F. encens, L. incensum, fr.
   incensus, p. p. of incendere to burn. See Incense to
   inflame.]
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   1. The perfume or odors exhaled from spices and gums when
      burned in celebrating religious rites or as an offering to
      some deity.
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            A thick cloud of incense went up.     --Ezek. viii.
                                                  11.
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   2. The materials used for the purpose of producing a perfume
      when burned, as fragrant gums, spices, frankincense, etc.
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            Nadab and Abihu, the sons of Aaron, took either of
            them his censer, and put fire therein, and put
            incense thereon.                      --Lev. x. 1.
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   3. Also used figuratively.
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            Or heap the shrine of luxury and pride,
            With incense kindled at the Muse's flame. --Gray.
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   Incense tree, the name of several balsamic trees of the
      genus Bursera (or Icica) mostly tropical American. The
      gum resin is used for incense. In Jamaica the
      Chrysobalanus Icaco, a tree related to the plums, is
      called incense tree.

   Incense wood, the fragrant wood of the tropical American
      tree Bursera heptaphylla.
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The Collaborative International Dictionary of English v.0.48:

Incense \In"cense\, v. t. [imp. & p. p. Incensed; p. pr. & vb.
   n. Incensing.] [LL. incensare: cf. F. encenser. See
   Incense, n.]
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   1. To offer incense to. See Incense. [Obs.] --Chaucer.
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   2. To perfume with, or as with, incense. "Incensed with
      wanton sweets." --Marston.
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The Collaborative International Dictionary of English v.0.48:

Incense \In*cense"\, v. t. [imp. & p. p. Incensed; p. pr. &
   vb. n. Incensing.] [L. incensus, p. p. of incendere; pref.
   in- in + root of candere to glow. See Candle.]
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   1. To set on fire; to inflame; to kindle; to burn. [Obs.]
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            Twelve Trojan princes wait on thee, and labor to
            incense
            Thy glorious heap of funeral.         --Chapman.
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   2. To inflame with anger; to enrage; to endkindle; to fire;
      to incite; to provoke; to heat; to madden.
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            The people are incensed him.          --Shak.

   Syn: To enrage; exasperate; provoke; anger; irritate; heat;
        fire; instigate.
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WordNet (r) 3.0 (2006):

incense
    n 1: a substance that produces a fragrant odor when burned
    2: the pleasing scent produced when incense is burned; "incense
       filled the room"
    v 1: perfume especially with a censer [syn: cense, incense,
         thurify]
    2: make furious [syn: infuriate, exasperate, incense]