† surgationn.
Etymology: irregularly < surge v. + -ation suffix, ? after purgation.
Obsolete.
rare.
the world > physical sensation > sexual relations > sexual activity > [noun] > erection
1688 R. Holme ii. xvii. 388/2 The Surgation, or rising of the instrument of Procreation.
This entry has not yet been fully updated (first published 1918; most recently modified version published online June 2021).