Definition of tinders:
(n) :
Small dry sticks and finely-divided fibrous matter etc., used to help light a fire.
(v) :
(transitive) To set fire to; torch.
(n) :
An online dating and geosocial networking application, launched in 2012, in which users "swipe right" to like or "swipe left" to dislike other users' profiles.
(v) :
(social media, intransitive) To use the dating application Tinder.
(n) :
A surname.