What is 2. To be attentive or vigilant; to give heed; to be on the lookout; to keep guard; to act as sentinel. Take ye heed, watch and pray. Mark xiii called?

watch — 2. To be attentive or vigilant; to give heed; to be on the lookout; to keep guard; to act as sentinel. Take ye heed, watch and pray. Mark xiii. (Webster's 1913.)

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