
1) Architectural element 2) Light 3) Light source 4) Running light 5) Secondary attraction
Found on
https://www.crosswordclues.com/clue/sidelight

A sidelight is a window, usually with a vertical emphasis, that flanks a door. Sidelights are narrow, usually stationary and found immediately adjacent doorways. While most commonly found as supporting elements emphasizing the importance of a primary entrance, sidelights may be employed at any interior or exterior door where a visual emphasis is d...
Found on
http://en.wikipedia.org/wiki/Sidelight

coloured lights on side of a ship under way at night
Found on
http://phrontistery.info/nautical.html

coloured lights on side of a ship under way at night
Found on
http://phrontistery.info/s.html

lamp or light above or at the side of a door
Found on
http://phrontistery.info/s.html

navigation light positioned generally at the side of a vessel, and designed to show either a fixed green light to the starboard or a fixed red light to the port side of the longitudinal axis of the vessel but not rearwards
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=845-11-46

A vertically framed area of fixed glass, often subdivided into panes, flanking a door.
Found on
http://www.encyclo.co.uk/local/22195

A vertically framed area of fixed glass, often subdivided into panes, flanking a door.
Found on
http://www.encyclo.co.uk/local/22196

[
n] - light carried by a boat that indicates the boat`s direction
Found on
http://www.webdictionary.co.uk/definition.php?query=sidelight

Light from the side of an actor facing the audience. Side lighting is often used in dance, as it emphasizes the entire body and movement.
Found on
https://www.encyclo.co.uk/local/20411
running light noun light carried by a boat that indicates the boat`s direction; vessels at night carry a red light on the port bow and a green light on the starboard bow
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.