dot

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

• noun A tiny round mark made by or as if by a pointed instrument; a spot.
• noun Such a mark used in orthography, as above an i.
• noun The basic unit of composition for an image produced by a device that prints text or graphics on paper.
• noun A tiny amount.
• noun In Morse and similar codes, the short sound or signal used in combination with the dash and silent intervals to represent letters, numbers, or punctuation.
• noun A decimal point.
• noun A symbol (·) indicating multiplication, as in 2 · 4 = 8.
• noun Music A mark after a note indicating an increase in time value by half.
• noun Computers A period, as used as in URLs and e-mail addresses, to separate strings of words, as in www.hmhbooks.com.
• intransitive verb To mark with a dot.
• intransitive verb To form or make with dots.
• intransitive verb To cover with or as if with dots.
• intransitive verb To make a dot.
• idiom (dot (one's) i's) To be thorough or painstaking in attending to details.
• idiom (on/at) Exactly at the appointed time; punctual or punctually.
• noun A woman's marriage portion; a dowry.

from The Century Dictionary.

• noun In mod. civil law, dowry; property which the wife brings upon her marriage to the husband, the income of which is in his control for the expenses of the marital establishment, the principal remaining her separate property.
• To mark with dots; make a dot or dots in or upon: as, to dot an i; to dot a surface.
• To mark or diversify with small detached objects: as, a landscape dotted with cottages or clumps of trees.
• To place so as to appear like dots.
• To make dots or spots.
• noun A point or minute spot on a surface; a small spot of different color, opacity, or material from that of the surface on which it is situated.
• noun Specifically — A small spot introduced in the variegation of cloth: as, polka dots in women's dress-fabrics.
• noun In writing and printing, a minute round spot serving— as a customary distinction, as the dot over the body of i and j and formerly of y, or
• noun as a special diacritic, as the dots of ä, ȧ, a, etc., in the notation of pronunciation used in this dictionary, or the vowel-signs or points in Hebrew and Arabic, or
• noun as a mark of punctuation, as the period, which consists of one dot, and the colon, which consists of two dots.
• noun In musical notation: A point placed after a note or rest, to indicate that the duration of the note or rest is to be increased one half. A double dot further increases the duration by one half the value of the single dot:
• noun A point placed over or under a note, to indicate that the note is to be performed somewhat staccato (which see); but in old music, when several dots are placed over a long note, they indicate that it is to be subdivided into as many short notes:
• noun When placed in the spaces of a staff with a heavy or double bar, dots indicate the beginning or end of a repeat (which see).
• noun In embroidery, and in weaving imitating embroidery, a simple, small, round spot, especially when solid or opaque, on a thin and translucent ground. There are several kinds, distinguished chiefly by their size, as point de pois, point d'or, etc.
• noun In plastering: plural -Nails so driven into a wall that their heads are left projecting a certain distance, thus forming a gage to show how thick the plaster should be laid on.
• noun A patch of plaster put on to regulate the floating rule in making screeds and bays.
• noun In projective geometry, one of the system of n coplanar points which determine a polystigm.

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

• noun A small point or spot, made with a pen or other pointed instrument; a speck, or small mark.
• noun Anything small and like a speck comparatively; a small portion or specimen.
• intransitive verb To make dots or specks.
• noun (Law), Louisiana A marriage portion; dowry.
• transitive verb To mark with dots or small spots.
• transitive verb To mark or diversify with small detached objects; as, a landscape dotted with cottages.
• proper noun acronym The United States Department of Transportation.

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

• noun A dowry.
• noun A small spot.
• noun grammar A punctuation mark used to indicate the end of a sentence or an abbreviated part of a word; a full stop; a period.
• noun A diacritical mark comprised of a dot above or below any of various letters of the Latin script. Examples include: Ȧ, Ạ, Ḅ, Ḃ, Ċ, etc.
• noun mathematics A symbol used for separating the fractional part of a decimal number from the whole part, for indicating multiplication or a scalar product, or for various other purposes.
• noun One of the two symbols used in Morse code.
• noun obsolete A lump or clot.