Wikidiffcom vs Palp - What's the difference?

As a noun palp is

(zoology) a pedipalp, an appendage found near the mouth in invertebrates; has a variety of functions but is often primarily used for predating.

to feel, to explore by touch.

Wikidiffcom has no English definition. It may be misspelled.

(wikipedia palp) (en noun)

(zoology) A pedipalp, an appendage found near the mouth in invertebrates; has a variety of functions but is often primarily used for predating.

(rfv-sense) (very, rare, nonce, used only by James Joyce) A fleshy part of a fingertip or an act of touching.

* 1922 , (James Joyce), (Ulysses) :

He folded his razor neatly and with stroking palps of fingers felt the smooth skin.

* (appendage) pedipalp

(en verb)

To feel, to explore by touch.

*1982 , (Lawrence Durrell), Constance'', Faber & Faber 2004 (''Avignon Quintet ), p. 729:

*:It is not possible to examine a male patient without making him undress and actually palping him all over.

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