1. backstep - Noun
2. backstep - Verb
A step backwards
(geology) An abrupt subsidence or change in deposition preserved in the sedimentary record due to a marine transgression.
(fluid mechanics) Flow over a backward-facing step.
The process of going back and finishing a specification that was incomplete at the start of a process, once enough progress has been made to know the full details.
A platform at the rear of a firetruck where a firefighter can stand.
To take a step backwards
To return to a previous place or time.
To retract or take back.
To be arranged in steps going backwards.
(geology, of a shoreline) To recede in an abrupt fashion due to marine transgression.
To finish a specification that was initially incomplete once enough progress has been made to know all the details.
Source: en.wiktionary.org