Second-person singular simple present form of lay(verb)
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Use "layest" in a sentence
"If thou be layest in the ground don't think you're down for good you'll soon be seen again, in parts, in people, plants or wood"
"Ease your hand, man, and let him rise; take leisure, and in half an hour thou layest him on the bank."
"For verily thou layest down to sleep last night with thy mind occupied anent marriage and troubled with the talk of it (Allah damn marriage and the hour when I spake of it and curse him who counselled it!); and without doubt or diffidence I can say that being moved in mind by the mention of wedlock thou dreamedst that a handsome young lady embraced thee and didst fancy thou sawest her when awake."