The bite of a flea, or the mark caused by such a bite. / Something which causes only trifling irritation; a minor inconvenience.

(astronomy) A unit of zodiacal dust, equal to the amount of interplanetary dust in the inner solar system, which absorbs light and re-radiates it with a luminosity about 10⁻⁷ that of the sun.

A municipality in Vorarlberg, Austria. / A municipality in Hildburghausen district, Thuringia, Germany. / A municipality in Saale-Holzland district, Thuringia, Germany.

(chemistry, obsolete) Mercuric oxide (HgO), a heavy red crystalline powder obtained by heating mercuric nitrate, or by heating mercury in the air.