What does "at lunch" mean in English for Spanish?

In English for Spanish, "at lunch" means:

en el almuerzo

Listen to "at lunch": (If you have an HTML5 enabled browser, you can listen to the native audio below)

This is a phrase that is used in the GamesForLanguage English for Spanish Language Game in the following scenes:

• English for Spanish 3, Level 2, Scene 5
• English for Spanish 3, Level 2, Scene 6
• English for Spanish 3, Level 2, Scene 7