sprinkling

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A small amount or quantity; a modicum.
• noun A small quantity scattered or sparsely distributed.

from The Century Dictionary.

• noun The act of one who sprinkles, in any sense of the word; aspersion.
• noun A small quantity falling in distinct drops or parts, or coming moderately: as, a sprinkling of rain or snow.
• noun A small amount scattered here and there, as if sprinkled.
• noun In bookbinding, the operation of scattering a shower of fine drops of color on the trimmed edges of the leaves to produce a mottled effect.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act of one who, or that which, sprinkles.
• noun A small quantity falling in distinct drops or particles.
• noun Hence, a moderate number or quantity distributed like separate drops, or as if scattered like drops.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb Present participle of sprinkle.
• noun The action of the verb to sprinkle.
• noun A small amount of (some liquid, powder or other fine substance) that is sprinkled on to something.
• noun A light shower of rain.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a light shower that falls in some locations and not others nearby
• noun the act of sprinkling or splashing water
• noun a small number (of something) dispersed haphazardly
• noun the act of sprinkling water in baptism (rare)