a discharge of lightning accompanied by thunder

a sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech

the part of a lock that is engaged or withdrawn with a key

the act of moving with great haste

a roll of cloth or wallpaper of a definite length

a screw that screws into a nut to form a fastener

a sudden abandonment (as from a political party)