retirar
withdraw
retire
to leave a job or position
+
-ar
verb suffix
Retirar means to withdraw and can be thought of as retire0 + -ar1 (verb1). It's similar to retiring or withdrawing from a position.
verb
  1. withdraw
    To withdraw or take out, especially money from a bank account
    Necesito retirar dinero del cajero automático. // I need to withdraw money from the ATM.
  2. retire
    To retire or step down from a position or job
    Mi abuelo se retiró después de trabajar 40 años en la empresa. // My grandfather retired after working 40 years in the company.