Feeler
Pronunciation : Feel"er
Part of Speech : n.
Definition : 1. One who, or that which, feels.
2. (Zo?l.)
Defn: One of the sense organs or certain animals (as insects), which are used in testing objects by touch and in searching for food; an antenna; a palp. Insects . . . perpetually feeling and searching before them with their feelers or antenn?. Derham.
3. Anything, as a proposal, observation, etc., put forth or thrown out in order to ascertain the views of others; something tentative.
Source : Webster's Unabridged Dictionary, 1913