(n): abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light
(n): a sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech
(n): a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon
(n): the part of a lock that is engaged or withdrawn with a key
(n): a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon
(n): the act of moving with great haste
(n): the act of moving hurriedly and in a careless manner
(n): a roll of cloth or wallpaper of a definite length
(n): anything rolled up in cylindrical form
(n): a screw that screws into a nut to form a fastener
(n): a fastener with a tapered threaded shank and a slotted head
(n): a sudden abandonment (as from a political party)
(n): the act of giving something up
(v): move or jump suddenly
(v): move so as to change position, perform a nontranslational motion
(v): secure or lock with a bolt
(v): fasten with a lock
(v): swallow hastily
(v): pass through the esophagus as part of eating or drinking
(v): run away; usually includes taking something or somebody along
(v): run away quickly
(v): leave suddenly and as if in a hurry
(v): go away from a place
(v): eat hastily without proper chewing
(v): take in solid food
(v): make or roll into bolts
(v): form into a cylinder by rolling
(adv): in a rigid manner
(adv): directly
"Swallow hastily"
Contronymic in the sense: bolted in place vs. bolted as a horse.