1. (n.) A mark on a substance or body made by foreign matter; a blot; a place discolored.

2. (n.) A stain on character or reputation; something that soils purity; disgrace; reproach; fault; blemish.

3. (n.) 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.

4. (n.) A small extent of space; a place; any particular place.

5. (n.) A variety of the common domestic pigeon, so called from a spot on its head just above its beak.

6. (n.) 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.

7. (n.) The southern redfish, or red horse, which has a spot on each side at the base of the tail. See Redfish.

8. (n.) Commodities, as merchandise and cotton, sold for immediate delivery.

9. (v. t.) 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.

10. (v. t.) To mark or note so as to insure recognition; to recognize; to detect; as, to spot a criminal.

11. (v. t.) To stain; to blemish; to taint; to disgrace; to tarnish, as reputation; to asperse.

12. (v. i.) To become stained with spots.

CRT spot DM display Doppler signal IF signal IM display RF echoes abode ace acne aimless allocate appointment arc arc light area ascertain aspersion assign atom attaint badge of infamy band bar bar sinister baton beam bearings beat signal bedabble bedaub behold bench mark bend sinister berth besmear besmirch besmutch besoil bespangle bespatter bespeckle bespot besprinkle billet bind birthmark bit bite black black eye black mark blacken blaze blaze a trail blemish blips bloodstain blot blotch blur boils bounces box brand bread broad arrow case caste mark catch catch sight of censure chalk up champain check check off checker checkmark cicatrix cicatrize circumstance clap eyes on clutch collocate color filter commercial commercial announcement complication condition connection corner crumb crunch cut dab dabble dapple dappledness dappleness dash daub define delimit demarcate deploy descry designless detect determinate diagnose dilemma dimmer dirty discern discolor discoloration discover disparagement display dispose distinguish district dole dollop dot dottedness double-dot display draft dram dredge drench dribble driblet drink drop dust dwarf earmark echo echo signal embarrassing position embarrassment emplace emplacement encounter engrave engraving eruptions espy estate eyesore farthing fine how-do-you-do finger fix flake fleck flick floats flood floodlight flour flyspeck footing footlights foots fragment freckle freckliness gargle gash gelatin get a fix glimpse gobbet grain granule graving groat guzzle hack hair handful haphazard harlequin hatch have have in sight hell to pay hit hit-or-miss hobble hole home in on home on hot water how-do-you-do identify imbroglio impress imprint imputation install intersperse iota iris irregular jam jigger jolt jot ken klieg light know know again latitude and longitude lay eyes on lentigo libation lieu light plot lights limelight line little little bit lob local oscillator signal locale locality localize locate location locus look on look upon lot lota macula maculate maculation macule make a mark make out map marble marbleize mark mark of Cain mark off mark out marking marquee medium meet with