n.
    - Brit. a portable battery-powered electric lamp.
- chiefly historical a portable means of illumination such as a piece of wood soaked in tallow and ignited.
- a valuable quality, principle, or cause, which needs to be protected and maintained:![]()  the torch of freedom. 
- chiefly N. Amer. a blowlamp.
v.
 informal set fire to.
Phrase
  
    - carry a torch for
 suffer from unrequited love for.
- put to the torch 
(or put a torch to)
 destroy by burning.
 
  Etymology
  ME: from OFr. torche, from L. torqua, var. of torques ‘necklace, wreath’, from torquere ‘to twist’.