ˌ ̷ ̷ ̷ ̷ˈleləˌgram, -raa(ə)m noun
Etymology: Late Latin or Greek; Late Latin parallelogrammum, from Greek parallelogrammon, from neuter of parallelogrammos bounded by parallel lines, from parallēlos parallel + grammē line, from graphein to write — more at parallel , carve
1. : a quadrilateral with opposite sides parallel — see rectangle , rhomboid , rhombus ; area table
2. : a four-bar mechanism jointed together in the form of a parallelogram with one link fixed