from The American Heritage® Dictionary of the English Language, 4th Edition
- pro. Plural of this.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- Plural form of this.
- pro. Plural form of this.
from the GNU version of the Collaborative International Dictionary of English
- pro. The plural of this. See this.
from The Century Dictionary and Cyclopedia
- Plural of this.
Middle English, from Old English thæs, variant of thās, pl. of thes, this, this; see to- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)