Smart Definition
Etymology
Conjugation
Pronunciation
tumbar
knock down
tomb
grave
+
-ar
verb suffix
Tumbar means to knock down and can be remembered by thinking of tomb0 (something down in the ground0) + -ar1 (verb suffix1).
verb
  1. knock down
    To knock down or push over
    El viento fuerte tumbó varios árboles. // The strong wind knocked down several trees.
  2. lie down
    To lie down or recline
    Voy a tumbarme un rato en el sofá. // I'm going to lie down for a while on the sofa.