周 means 'circumference'

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Strokes : 8    Frequency: 552   JLPT: N2    Usefulness: 4    Study set: 4-3    Grade: 4   Intermediate lesson: 38    Beginner lesson: -   Begins 94 words   Used in 169 words   Used in 570 names   Component in 22 kanji (3 Jōyō)
Jōyō (常用)
   まわ circumference
Name    あまね   しゅ   す   ちか   のり   ひろ   びび   まこと
Interior combination exists as a rare kanji, 𠮷 (-).
⿵   () wide  ⿱   ground; earth   mouth  
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In the most useful 10,000 words in Japanese, 周 is used 7 times, read 2 ways.
Across all words in Japanese, 周 is used 168 times, read 2 ways (with 1 variation).
シュウ : 165 words FIND ALL
1. circumference; outskirts; environs; around; in the area of; in the vicinity of
2. (computer) peripheral  (computer terminology)
(click the word for examples and links)
まわ : 2 words FIND ALL
1. circumference; girth  (see also: 回り)
2. surroundings; neighbourhood; neighborhood; vicinity
(click the word for examples and links)
あまね: 1 word. FIND ALL
widely; generally; universally; far and wide  (often written with kana only)
(click the word to view an additional 2 forms, examples and links)
An additional one less common word includes 周 but the reading has not yet been categorized.
Henshall: 532 (originally: 504)  Joy o' Kanji : 504  Key to Kanji: 481 

Cascading kanji view

シュウ   まわ circumference   
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ド   ト   ground; earth   つち ground, earth, soil   
コウ   ク   くち mouth   
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