If wine is able to make Linux folders avalaible for K-Meleon, try to change the dictionnaries path (Alt-*, 'Change Dictionnaries folder').
I really don't know, and I don't think it's possible.
Fred probably knows the answer.
A+
Mozilla/5.0 (x11; U; Linux x86_64; fr-FR; rv:38.0) Gecko/20100101 Ubuntu/12.04 K-Meleon/76.0
Web:
http://jujuland.pagesperso-orange.fr/
Mail : alain [dot] aupeix [at] wanadoo [dot] fr
Ubuntu 12.04 - Gramps 3.4.9 - Harbour 3.2.0 - Hwgui 2.20-3 - K-Meleon 76.0 rc