Let seed be grass, and grass turn into hay:
i’m martyr to a motion not my own;
what’s freedom for? to know eternity.
i swear she cast a shadow white as stone.
but who would count eternity in days?
these old bones live to learn her wanton ways:
(i measure time by how a body sways).

source: roethke, theodore. “i knew a woman.” the collected poems of theodore roethke. new york: random house inc., 1961. poetry foundation. web. 9 june 2011.

which line is an example of the poetic technique metonymy?

“let seed be grass, and grass turn into hay: ”

“i’m martyr to a motion not my own; ”

“i swear she cast a shadow white as stone.”

“these old bones live to learn her wanton ways: ”