rounceval

from The Century Dictionary.

• noun A giant; hence, anything very large and strong.
• noun The marrowfat pea: so called from its large size.
• Large; strong; robustious.

from the GNU version of the Collaborative International Dictionary of English.

• noun obsolete A giant; anything large; a kind of pea called also marrowfat.
• adjective obsolete Large; strong; -- from the gigantic bones shown at Roncesvalles, and alleged to be those of old heroes.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun obsolete A giant; anything large.
• noun obsolete A large pea, the marrowfat.