Dikt is a KDE4 dictionary that implements the client side of the DICT protocol.
This is now in the sunrise overlay. You can find it at: https://overlays.gentoo.org/proj/sunrise/browser/sunrise/kde-misc/dikt
kde-misc... app-dicts... I've picked app-dicts/dikt, now in portage
Still in Sunrise. Masked for removal due to category change.