sash lock

6.2

A small lock on a window with two moving panels that keeps them closed

noun

Specialized

: cerradura de ventana

When you close the window, make sure to engage the sash lock to prevent it from opening accidentally.

Examples

For extra security, she installed a new sash lock on each window in the living room.
The sash lock keeps the window secure.
Check that the sash lock is engaged before leaving the house.
The old wooden window wouldn't stay shut until I replaced the sash lock.
He installed a new sash lock on the window.
The builder installed a secure sash lock to keep the double-hung window closed during storms.
To enhance security, I decided to replace the old window latches with new sash locks.

Synonyms

latch

vssash lock

49 2.6

A small metal part that holds a door or gate closed

is limited to double-hung window sliding parts rather than general fastenings

window lock

vssash lock

1 2.3

A small device attached to a window that keeps it closed and stops people opening it

is specific to double-hung windows rather than all window types

sash fastener

vssash lock

Specialized

7.3

A small piece that locks the two sliding parts of a window

has identical function but uses a different name

How Secure

deadbolt

14 4.6

sash lock

Specialized

6.2

sash fastener

Specialized

7.3

latch

49 2.6

hook

192 1.0

Surface Forms

sash lock singular

sash locks plural

Morphology

sash + lock

This is a straightforward noun–noun compound: a lock that belongs to or is used on a sash. The meaning is directly derivable from 'sash' (the window frame that slides) + 'lock' (a fastening), following common English compounding patterns, so a learner who knows both words will readily understand it.

Etymology

Sash lock comes from the two words sash, the part of a window that moves, and lock, something that holds it. The lock fastens the two sashes together so they cannot move and the window stays 'closed'. So sash lock means a small lock that keeps a sliding window shut.