Smart Definition
Etymology
Pronunciation
retícula
grid
reticle
network of lines
+
-ula
diminutive suffix
Retícula means grid and can be thought of as a small reticle0 (network of lines0), with -ula1 indicating its diminutive1 nature.
noun
  1. grid
    A grid or network of lines
    El diseñador utilizó una retícula para organizar los elementos en la página. // The designer used a grid to organize the elements on the page.