noun
plural torches
[count] a long stick with material at one end that burns brightly
blowtorch
Brit :flashlight
carry a torch
to continue to have romantic feelings for someone who does not love you - usually + for
carry the torch
to support or promote a cause in an enthusiastic way
pass the torch
chiefly US
If you pass the torch (on) or pass on the torch, you give your job, duties, etc., to another person.
verb
torches; torched; torching
[+ obj] :to set fire to (something, such as a building) deliberately :to cause (something) to burn