lacio
straight
lace
a delicate fabric
+
-io
adjective suffix
Lacio means straight and can be remembered by thinking of lace0 arranged in straight patterns0, with the -io1 ending making it an adjective1 in Spanish.
adjective
- straightStraight or limp, especially referring to hairMi cabello es lacio y difícil de rizar. // My hair is straight and difficult to curl.