Simple past tense and past participle of tiller.(verb)
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Use "tillered" in a sentence
"In ancient times, at this stage, the bow was tillered, or tested for its curve, or, as Sir Roger Ascham says, "brought round compass," which means to make it bend in a perfect arc when full drawn."
"Now, that crop which he had just left had 'tillered out' well; but what profit should he get from the many stalks that had tillered or sprung from each single grain, thus promising a fiftyfold return?"
"And thus the seed which Buchanan had sown, and Milton had watered -- for the allegation that Milton borrowed from Buchanan is probably true, and equally honourable to both -- lay trampled into the earth, and seemingly lifeless, till it tillered out, and blossomed, and bore fruit to a good purpose, in the Revolution of 1688."