From The Collaborative International Dictionary of English v.0.48:
Spot \Spot\ (sp[o^]t), n. [Cf. Scot. & D. spat, Dan. spette, Sw. spott spittle, slaver; from the root of E. spit. See Spit to eject from the mouth, and cf. Spatter.] 1. A mark on a substance or body made by foreign matter; a blot; a place discolored. [1913 Webster]
Out, damned spot! Out, I say! --Shak. [1913 Webster]
2. A stain on character or reputation; something that soils purity; disgrace; reproach; fault; blemish. [1913 Webster]
Yet Chloe, sure, was formed without a spot. --Pope. [1913 Webster]
3. A small part of a different color from the main part, or from the ground upon which it is; as, the spots of a leopard; the spots on a playing card. [1913 Webster]
4. A small extent of space; a place; any particular place. "Fixed to one spot." --Otway. [1913 Webster]
That spot to which I point is Paradise. --Milton. [1913 Webster]
"A jolly place," said he, "in times of old! But something ails it now: the spot is cursed." --Wordsworth. [1913 Webster]
5. (Zool.) A variety of the common domestic pigeon, so called from a spot on its head just above its beak. [1913 Webster]
6. (Zool.) (a) A sciaenoid food fish (Liostomus xanthurus) of the Atlantic coast of the United States. It has a black spot behind the shoulders and fifteen oblique dark bars on the sides. Called also goody, Lafayette, masooka, and old wife. (b) The southern redfish, or red horse, which has a spot on each side at the base of the tail. See Redfish. [1913 Webster]
7. pl. Commodities, as merchandise and cotton, sold for immediate delivery. [Broker's Cant] [1913 Webster]
Crescent spot (Zool.), any butterfly of the family Melitaeidae having crescent-shaped white spots along the margins of the red or brown wings.
Spot lens (Microscopy), a condensing lens in which the light is confined to an annular pencil by means of a small, round diaphragm (the spot), and used in dark-field illumination; -- called also spotted lens.
Spot rump (Zool.), the Hudsonian godwit (Limosa haemastica).
Spots on the sun. (Astron.) See Sun spot, ander Sun.
On the spot, or Upon the spot, immediately; before moving; without changing place; as, he made his decision on the spot.
It was determined upon the spot. --Swift. [1913 Webster]
Syn: Stain; flaw; speck; blot; disgrace; reproach; fault; blemish; place; site; locality. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Spot \Spot\, v. i. To become stained with spots. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Spot \Spot\ (sp[o^]t), a. Lit., being on the spot, or place; hence (Com.), on hand for immediate delivery after sale; -- said of commodities; as, spot wheat. [Webster 1913 Suppl.]
From The Collaborative International Dictionary of English v.0.48:
Spot \Spot\, v. t. [imp. & p. p. Spotted; p. pr. & vb. n. Spotting.] 1. To make visible marks upon with some foreign matter; to discolor in or with spots; to stain; to cover with spots or figures; as, to spot a garment; to spot paper. [1913 Webster]
2. To mark or note so as to insure recognition; to recognize; to detect; as, to spot a criminal. [Cant] [1913 Webster]
3. To stain; to blemish; to taint; to disgrace; to tarnish, as reputation; to asperse. [1913 Webster]
My virgin life no spotted thoughts shall stain. --Sir P. Sidney. [1913 Webster]
If ever I shall close these eyes but once, May I live spotted for my perjury. --Beau. & Fl. [1913 Webster]
To spot timber, to cut or chip it, in preparation for hewing. [1913 Webster]