Lexical Definition

‎μασσάομαι‎ massáomai (mas-sah'-om-ahee) to gnaw ^G:V
from a primary (to handle or squeeze)

gnaw.

• to chew

Abbott-Smith

μασάομαι (Rec. μασσ-), -ῶμαι (Aristoph. and late writers, but not in Trag. or in good Att. prose), [in LXX: Jb 30:4 (לֶחֶם), Si 19:9 A*;]
to bite, chew: Re 16:10.†

Abbott-Smith References

Liddell-Scott-Jones

μασσάομαι,

μασί-σσημα, μασί-σσησις, μασι-σσητήρ, incorrectly written for μασάομαι, etc. μάσσεται, see at {μαίομαι}.