from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To give off (vapor containing waste products) through the pores of the skin or the stomata of plant tissue.
- intransitive v. To become known; come to light.
- intransitive v. Usage Problem To come about; happen or occur.
- intransitive v. To give off vapor containing waste products, as through animal or plant pores.
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To pass off in the form of vapor or insensible perspiration; to exhale.
- intransitive v. To evaporate from living cells.
- intransitive v. To escape from secrecy; to become public.
- intransitive v. To happen or come to pass; to occur.
- transitive v. To excrete through the skin; to give off in the form of vapor; to exhale; to perspire.
- transitive v. To evaporate (moisture) from living cells.
from The Century Dictionary and Cyclopedia
- To emit through the excretories of the skin or lungs; send off in vapor; exhale.
- To send out an exhalation; exhale.
- To pass through or out of some body, as an exhalation; specifically, to be emitted through the excretories of the skin or lungs; exhale; pass off from the body in vapor, as in insensible perspiration.
- In botany to exhale watery vapor. See transpiration. 2.
- To escape from secrecy; become public gradually; come to light; ooze out.
- To happen or come to pass; occur.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. come about, happen, or occur
- v. exude water vapor
- v. come to light; become known
- v. give off (water) through the skin
- v. pass through the tissue or substance or its pores or interstices, as of gas
French transpirer, from Medieval Latin trānspīrāre : Latin trāns-, trans- + Latin spīrāre, to breathe.(American Heritage® Dictionary of the English Language, Fourth Edition)
From the French transpirer, to perspire, from Latin transpirare, to breathe through, from trans, across + spirare, to breathe (Wiktionary)