Today's words

nugatory - 1. of little or no consequence : trifling, inconsequential  2. having no force : inoperative
caudillo - a Spanish or Latin-American military dictator
mihrab - a niche or chamber in a mosque indicating the direction of Mecca
strathspey - a Scottish dance that is similar to but slower than the reel; also : the music for this dance
facula - any of the bright regions of the sun's photosphere seen most easily near the sun's edge

I love it when a Dictionary Devil puzzle gives me several new words, and when there's a WOTD that I didn't know, too, it's a banner word day!