1
general::
1. Move out of the way, as in Please step aside? I've got my arms full of groceries. This usage was first recorded in 1530. 2. Withdraw, make room for a replacement, as in The senior researcher decided to step aside for a younger colleague. [Second half of 1900s]
American Heritage Idioms
2
general::
Phrase(s): step aside (for someone)
1. Lit. to move out of someone’s way. • Would you step aside for my uncle and his walker? • We had to step aside for the people in wheelchairs to get by. 2. Fig. to retire from an office so someone else can take over. • The president retired and stepped aside for someone else. • Walter stepped aside for a younger person to take over.
McGrawhill's American Idioms And Phrasal Verbs