counter for laps or circuits ②perimeter ③Zhou dynasty (of China; approx. 1046-256 BCE)

surroundings ②circumference

circumference ②(computer) peripheral

whole year ②n-th year anniversary

frequency (esp. of waveforms)

one round

careful

cycle

going around ②circumference

outer circumference ②outskirts

very careful

round-the-world trip

common knowledge

semicircle ②to go halfway round (e.g. the earth)

high frequency

pi (3.1415926...)

neighboring countries

cycle

surrounding countries

death anniversary

circumference ②surroundings ③people surrounding oneself

how others look at you