
1) Old-type firearm
Found on
https://www.crosswordclues.com/clue/single-action

Usually referring to a pistol or revolver, single-action is when the hammer is pulled back manually by the shooter to fire the shot. See also double-action.
Found on
http://en.wikipedia.org/wiki/Glossary_of_firearms_terms

The typical fly reel wherein a single turn of the handle causes one turn of the reel spool. This is distinguished from the multiplier reel where a single turn of the handle causes multiple turns of the spool and makes it easier to retrieve line. Almost all high quality fly reels are single action.
Found on
http://firstcastflyfishing.blogspot.co.uk/p/glossary-of-terms.html

1. (Handguns) More sensitive trigger firing mechanism, weapon must already be cocked. 2. (Rifle) A bolt-action weapon requiring manual recocking between each shot.
Found on
http://www.encyclo.co.uk/local/20524

The typical fly reel wherein a single turn of the handle causes one turn of the reel spool. This is distinguished from the multiplier reel where a single turn of the handle causes multiple turns of the spool and makes it easier to retrieve line. Almost all high quality fly reels are single action.
Found on
http://www.flyfisherpro.com/Public/Resources/GlossaryofFlyFishingTerms/inde

An action type, typical on handguns, where the hammer must be cocked manually prior to each shot (if it be a revolver) or prior to the first shot with an already loaded chamber and de-cocked hammer (if it be a semi-automatic).
Found on
http://www.hallowellco.com/abbrevia.htm

Single-action is a classification of firearms in which the firer manually retracts the hammer to cock it which simultaneously causes the cylinder to rotate. A subsequent squeeze of the trigger is then required to discharge the shot. In a pistol, the term single-action indicates that the hammer must be cocked before each shot. This is usually done a...
Found on
http://www.probertencyclopaedia.com/browse/FS.HTM

A reel where the handle is attached directly to the spool, without the aid of gears.
Found on
http://www.stripers247.com/Fishing-Glossary.php

The typical fly reel wherein a single turn of the handle causes one turn of the reel spool. This is distinguished from the multiplier reel where a single turn of the handle causes multiple turns of the spool and makes it easier to retrieve line. Almost all high quality fly reels are single action.
Found on
https://www.encyclo.co.uk/local/22491
No exact match found.