Dictionary.com
definitions

dulce et decorum est pro patria mori

[doo l-ke et de-koh-room est proh pah-tree-ah moh-ree; English duhl-see et di-kawr-uh m est proh pey-tree-uh mawr-ahy, mohr-ahy, -kohr-uh m]
Latin.
  1. sweet and fitting it is to die for one's country.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018