The Collaborative International Dictionary
Accumb
Accumb \Ac*cumb"\ ([a^]k*k[u^]mb"), v. i. [L. accumbere; ad +
cumbere (only in compounds) to lie down.]
To recline, as at table. [Obs.]
--Bailey.
Wiktionary
accumb
vb. (context obsolete English) To recline, as at table.