Crossword Genius

What can destroy wall, or hold bricks together? (6)


I believe the answer is:


This clue is a double definition.

'what can destroy wall' is the first definition.
(mortar is a type of gun)

'hold bricks together?' is the second definition.
(to mortar is to fix bricks together with mortar)

'or' acts as a link.

(Other definitions for mortar that I've seen before include "Weapon - bonding material" , "Gun; brick bonder" , "Lime mixture; a cannon" , "Gun; brick bond" , "Bomb-firing weapon" .)

I've seen this clue in The Times.
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