sighthole التعريفات والمعاني == English == === Etymology === From sight + hole. === Noun === sighthole (plural sightholes) An eyehole in a furnace, a boiler, etc. شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة sightholes sighthound sightless sightholder sightable sightholders sightlessly sightlessness Sighthill