What does the word vanilla mean?

Usage examples for vanilla

  1. I ain't got anything but vanilla." – The Iron Woman by Margaret Deland
  2. Add cream and vanilla. – Foods That Will Win The War And How To Cook Them (1918) by C. Houston Goudiss and Alberta M. Goudiss
  3. They're Caucasian as vanilla snow cones. – Life Blood by Thomas Hoover