n. One who or that which feels.n. Specifically Any special organ of touch of an animal; a tactile part. n. The representation on an artificial fly of an antenna of an insect. Feelers are folded back, extending above and sometimes beyond the wings.n. Any indirect act, device, stratagem, or plan resorted to for the purpose of finding out something which cannot be ascertained directly, especially the designs, opinions, or sentiments of others.n. Nautical, the first onset of a storm, followed by a short calm.n. A thickness-gage.n. A thin piece of metal for determining the space or play left in a bearing or for determining the distance between the two plates in a riveted joint.