secure by locking

rail fence consisting of a zigzag of interlocking rails

secure by locking

the physical condition of blocking or filling a passage with an obstruction

The act of blocking, or the state of being blocked, in any sense of the verb block, Blocks used to support anything temporarily, the act of obstructing or deflecting someone's movements

The act by which something is locked, A split pin, the act of locking something up to protect it, verb_ Present participle of lock

A puzzle in which an arrangement of numbered squares is to be filled with words running both across and down in answer to correspondingly numbered clues, games, puzzles A word puzzle in which interlocking words are entered usually horizontally and vertically into a grid based on clues given for each word