n.
Pronunciation: te- ' tra-m ə -t ə r
Function: noun
Etymology: Greek tetrametron, from neuter of tetrametros having four measures, from tetra- + metron measure ― more at MEASURE
Date: 1612
: a line of verse consisting either of four dipodies (as in classical iambic, trochaic, and anapestic verse) or four metrical feet (as in modern English verse)