sight line

sight line
a horizontal line or groove running forward from each eye, used by the fish to aim attacks on prey. The sight line facilitates judgement of depth and distance

Dictionary of ichthyology. 2009.

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Look at other dictionaries:

  • sight-line — ˈsight line 7 [sight line] noun = ↑line of sight …   Useful english dictionary

  • sight|line — «SYT LYN», noun. a straight line from the eye to the object looked at; line of sight …   Useful english dictionary

  • sight line — noun : a straight line extending from the eye of a spectator to an object or area (as of a stage) to be viewed : one of the lines that define an unimpeded field of vision the complications of providing good sight lines increase proportionately… …   Useful english dictionary

  • sight line — noun Date: 1753 a line extending from an observer s eye to a viewed object or area (as a stage) < a theater with excellent sight lines > …   New Collegiate Dictionary

  • Sight line — PP The line of sight between a subject and the object they are looking at …   Audio and video glossary

  • sight line — noun a hypothetical line from someone s eye to what is seen …   English new terms dictionary

  • Sight Line — F/A/V An imaginary line that is drawn between a subject and the object that he/she is looking at …   Audio and video glossary

  • line of sight — noun an imaginary straight line along which an observer looks • Syn: ↑line of vision • Hypernyms: ↑line * * * 1. or line of sighting : a linear projection toward a target of the straight line obtained when the sights of a firearm are in perfect… …   Useful english dictionary

  • line of vision — noun an imaginary straight line along which an observer looks (Freq. 1) • Syn: ↑line of sight • Hypernyms: ↑line * * * : a straight line joining the fovea of the eye with the fixation point * * * Ophthalm. a straight line that connects the fovea… …   Useful english dictionary

  • sight — n. & v. n. 1 a the faculty of seeing with the eyes (lost his sight). b the act or an instance of seeing; the state of being seen. 2 a thing seen; a display, show, or spectacle (not a pretty sight; a beautiful sight). 3 a way of looking at or… …   Useful english dictionary

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