1. (Abstract Noun) A line of latitude near but to the south of the north pole; it marks the northernmost point at which the sun is visible on the northern winter solstice and the southernmost point at which the midnight sun can be seen on the northern summer solstice. The parallel of latitude 66°33´north of the equator. উত্তৰ মেৰু অঞ্চল আৱৰি থকা বিষুৱৰেখাৰ সমান্তৰালকৈ কল্পিত ৬৬°৩৩´ উত্তৰ অক্ষৰেখা ।

English: Arctic circle,
Assamese: সুমেৰু, সুমেৰু বৃত্ত