pin

As a noun ddr is

(electronics).

As a noun mandrel

is an object used as an aid for shaping a material, eg bending a pipe without creasing or kinking it.

As a noun pinout

is (electronics) the manner in which an electrical connector or device is wired; the list of signals that correspond to each pin or output.

As a noun boutique

is .

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a proper noun piston is

.

As a noun calk is

a pointed projection on a horseshoe to prevent it slipping.

As a verb calk is

or calk can be to copy (a drawing) by rubbing the back of it with red or black chalk, and then passing a blunt stylus or needle over the lines, so as to leave a tracing on the paper or other thing against which it is laid or held.

As a letter m

is the thirteenth letter of the.

As a symbol m

is mega- or m can be the roman numeral m (1,000).

As a proper noun rose is

rhone.

As a noun strain

is (obsolete) treasure or strain can be the act of straining, or the state of being strained.

As a verb strain

is (obsolete) to hold tightly, to clasp.