from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To reap, to cut for harvest.
- v. To copulate with (a woman).
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To copulate with (a woman).
from The Century Dictionary and Cyclopedia
- To perform the act of copulation with; have sexual intercourse.
From Middle English swiven, from Old English swīfan ("to move, sweep, wend, revolve"), from Proto-Germanic *swībanan (“to wipe, sweep”), from Proto-Indo-European *(s)weip-, *(s)weib- (“to twist, wind around, swing, sweep, bend”). Cognate with Old Frisian swīva, swīfa ("to waver"), Old Norse svīfa ("to drift, ramble, rove"). Related to Old English swift ("swift"), Middle English swyvel ("swivel"). (Wiktionary)