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As a proper noun wiki is

(proscribed) wikipedia.

As a noun pillar is

(architecture) a large post, often used as supporting architecture.

As a verb pillar is

to provide with pillars or added strength as if from pillars.

As a noun screw

is a device that has a helical function.

As a verb screw

is to connect or assemble pieces using a screw.

As a verb probe

is .

As a noun tooth is

a hard, calcareous structure present in the mouth of many vertebrate animals, generally used for eating.

As a verb tooth is

to provide or furnish with teeth.

As a proper noun flipper is

a common name for animals which have flippers, such as dolphins and seals.

As a noun clipper is

anything that clips.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

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.