I. adjective
or ro·pal·ic (ˈ)rō|palik
Etymology: Late Latin rhopalicus, from Greek, rhopalikos rhopalic, like a club (i.e., thicker toward the end), from rhopalon club + -ikos -ic; perhaps akin to Greek rhabdos rod — more at vervain
: having each succeeding unit in a prosodic series larger or longer than the preceding one:
a. : having each successive word in a line or verse longer by one syllable than its predecessor
b. : having successive lines of a stanza increasing in length by the addition of one element (as a syllable or metrical foot)
II. noun
( -s )
: a rhopalic line, verse, or stanza