formerly, a lamp aboard ship for lighting pipes, now used figuratively to indicate when smoking is or is not allowed: The smoking lamp is lit.
[ 1880-85 ]
formerly, a lamp aboard ship for lighting pipes, now used figuratively to indicate when smoking is or is not allowed: The smoking lamp is lit.
[ 1880-85 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012