I. rhom ‧ boid 1 /ˈrɒmbɔɪd $ ˈrɑːm-/ BrE AmE noun [countable] technical
a shape with four sides whose opposite sides are equal in length SYN parallelogram
II. rhomboid 2 BrE AmE ( also rhom‧boid‧al ) /rɒmˈbɔɪdl $ rɑːm-/ adjective technical
shaped like a rhombus