Secured door Synonyms

Secured replaced

Synonyms for phrase

SD abbreviation

SD is an abbreviation for Secured Door
What does SD stand for?
SD stands for "Secured Door"

Definitions for Door


  • (noun) a barrier by which an entry is closed and opened
  • (noun) the opening through which one can enter or leave a structure
  • (noun) the means or right of entering or participating in