n.
Pronunciation: ' tin-d ə r
Function: noun
Etymology: Middle English, from Old English tynder; akin to Old High German zuntra tinder, Old English tendan to kindle
Date: before 12th century
1 : a very flammable substance adaptable for use as kindling
2 : something that serves to incite or inflame <that rhetoric was ready tinder for revolution ― Margaret Peters>