Main Entry:

rhom·bus

Pronunciation:

\ˈräm-bəs\

Function:

noun

Inflected Form(s):

plural rhom·bus·es or rhom·bi \-ˌbī, -ˌbē\

Etymology:

Latin, from Greek rhombos piece of wood whirled on a string, lozenge, from rhembein to whirl

Date:

circa 1567

: a parallelogram with four equal sides and sometimes one with no right angles