from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The act of touching; contact.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The act of touching; touch; contact.
- n. The sense of touch.
from the GNU version of the Collaborative International Dictionary of English
- n. The act of touching; touch; contact; tangency.
from The Century Dictionary and Cyclopedia
- n. The act of touching, or the state of being touched; touch; contact; palpation.
- n. The tactual faculty; the sense of touch, or its exercise; perception of objects by feeling them.
- n. In geometry, same as tangency.
Latin tāctiō, tāctiōn-, from tāctus, past participle of tangere, to touch; see tact.(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin tactio ("touching"), from perfect passive participle tactus ("sense of feeling"), from tangere ("to touch, feel") + action suffix -io; see tact. (Wiktionary)