corklessadj.
/ˈkɔːklɪs/ rare.
Without a cork.
ΘΚΠ
the world > space > relative position > condition of being open or not closed > [adjective] > open and unobstructed > by bung, plug, etc.
unbunged1731
uncorked1791
plugless1836
unstoppered1861
stopperless1863
corkless1888
1888 Home Missionary Mar. 459 The corkless bottle.
This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2018).
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adj.1888