"I eat a meal."
Translation:Jeg spiser et måltid.
Et and en before a word are equivalent to "a/an". To mean "the" they are attatched to the word as a postfix (ie. "Et æble" = an apple, "æblet" = the apple). Most words take "en" (something like 80%) and you will unfortunately have to memorize which take et and which take en. When in doubt, use en. The odds will be in your favor.