skim

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

• intransitive verb To remove floating matter from (a liquid).
• intransitive verb To remove (floating matter) from a liquid.
• intransitive verb To embezzle (money) by taking a small portion on each transaction.
• intransitive verb To fail to declare part of (certain income, such as winnings) to avoid tax payment.
• intransitive verb To copy information from (a credit card) as part of a skimming fraud.
• intransitive verb To coat or cover with a thin layer.
• intransitive verb To throw so as to bounce or slide.
• intransitive verb To glide or pass quickly and lightly over or along (a surface). synonym: brush.
• intransitive verb To read or glance through (a book, for example) quickly or superficially.
• intransitive verb To glance over quickly; scan.
• intransitive verb To touch lightly or superficially on.
• intransitive verb To move or pass swiftly and lightly over or near a surface; glide.
• intransitive verb To fail to declare certain income to avoid tax payment.
• intransitive verb To give a quick and superficial reading, scrutiny, or consideration; glance.
• intransitive verb To become coated with a thin layer.
• noun The act of skimming.
• noun Something that has been skimmed.
• noun A thin layer or film.
• noun The money stolen by skimming from an account or business operation.

from The Century Dictionary.

• noun The act of skimming; also, that which is skimmed off.
• noun Thick matter that forms or collects on the surface of a liquor; scum.
• In plastering, to put the finishing coat or skim-coat on.
• To lift the scum from; clear the surface of by removing any floating matter, by means of a spoon, a flat ladle, or the like: as, to skim soup by removing the oil or fat; to skim milk by taking off the cream.
• To lift from the surface of a liquid by a sliding movement, as with a puddle, a flat ladle, a spoon, or the like; dip up with or as with a skimmer, as cream from milk or fat from soup; hence, to clear away; remove.
• To clear; rid; free from obstacles or enemies.
• To mow.
• To cover with a film or scum; coat over.
• To pass lightly along or near the surface of; move smoothly and lightly over; glide, float, fly, or run over the surface of.
• To pass over lightly in perusal or inspection; glance over hastily or superficially.
• To cause to dart, skip, or ricochet along a surface; hurl along a surface in a smooth, straight course.
• To pass lightly and smoothly over a surface; hence, to glide or dart along in a smooth, even course.
• To pass in hasty inspection or consideration, as over the surface of something; observe or consider lightly or superficially.
• To become covered with a scum or film; be coated over.
• noun A cultivator blade for surface work, analogous to a sweep. See scalp, 7, and sweep, 12 .

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

• intransitive verb To pass lightly; to glide along in an even, smooth course; to glide along near the surface.
• intransitive verb To hasten along with superficial attention.
• intransitive verb To put on the finishing coat of plaster.
• transitive verb To clear (a liquid) from scum or substance floating or lying thereon, by means of a utensil that passes just beneath the surface
• transitive verb To take off by skimming.
• transitive verb To pass near the surface of; to brush the surface of; to glide swiftly along the surface of.
• transitive verb Fig.: To read or examine superficially and rapidly, in order to cull the principal facts or thoughts.
• adjective Contraction of skimming and skimmed.
• adjective the final or finishing coat of plaster.
• adjective a colter for paring off the surface of land.
• adjective skimmed milk; milk from which the cream has been taken.

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

• verb transitive to throw an object so it bounces on water (skimming stones)