Maize/meɪz/ Definition 1 of 2Pro Tip 1/3Global Staple Maize is a staple food in many cultures, often referred to in different cuisines. In Mexico, maize is used to make tortillas. Pro Tip 2/3Not Just Yellow Maize can be various colors, not just yellow; this reflects in different varieties. Heirloom maize varieties come in blue and red as well. Pro Tip 3/3Part of Expressions The word 'maize' appears in idioms and expressions with agricultural or rural connotations. As popular as corn in August, he was welcomed everywhere.