coupler

As a noun coupler

is someone who couples things together, especially someone whose job it is to couple railway carriages.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between fitting and coupler

is that fitting is a small detachable part of a device or machine while coupler is someone who couples things together, especially someone whose job it is to couple railway carriages.

As a verb fitting

is .

As an adjective fitting

is ready, appropriate, or in keeping.

In lang=en terms the difference between pair and coupler

is that pair is a pair of breasts while coupler is a device that connects two keyboards of an organ together so that they play together.

As nouns the difference between pair and coupler

is that pair is two similar or identical things taken together; often followed by of while coupler is someone who couples things together, especially someone whose job it is to couple railway carriages.

As a verb pair

is to group into sets of two.

As nouns the difference between modulator and coupler

is that modulator is device that modulates while coupler is someone who couples things together, especially someone whose job it is to couple railway carriages.

As nouns the difference between splitter and coupler

is that splitter is a person or a thing that splits while coupler is someone who couples things together, especially someone whose job it is to couple railway carriages.

As nouns the difference between coupler and bushing

is that coupler is someone who couples things together, especially someone whose job it is to couple railway carriages while bushing is (mechanical engineering) a type of bearing, a cylindrical lining designed to reduce friction and wear inside a hole, often used as a casing for a shaft, pin or hinge.

Coupler is a related term of tie.

As nouns the difference between coupler and tie

is that coupler is someone who couples things together, especially someone whose job it is to couple railway carriages while tie is key.

Coupler is a related term of snap.

As nouns the difference between coupler and snap

is that coupler is someone who couples things together, especially someone whose job it is to couple railway carriages while snap is (computing) (subnetwork access protocol).

As nouns the difference between coupler and lock

is that coupler is someone who couples things together, especially someone whose job it is to couple railway carriages while lock is something used for fastening, which can only be opened with a key or combination.

As a verb lock is

to become fastened in place.

As a proper noun Lock is

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Coupler is a related term of bolt.

As nouns the difference between coupler and bolt

is that coupler is someone who couples things together, especially someone whose job it is to couple railway carriages while bolt is (land covered by trees).