亥 means 'sign of the hog' or 'hog'

Animation / stroke order not available.
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Strokes : 6    Frequency: 3020   Usefulness: 6    Study set: 6-9    Grade: 9   Intermediate lesson: -    Beginner lesson: -   Begins 8 words   Used in 14 words   Used in 132 names   Component in 24 kanji (5 Jōyō)
Jinmeiyō (人名用)
   sign of the hog   いのしし hog
On    ガイ   カイ
Kun    sign of the hog, 9-11PM, twelfth sign of the Chinese zodiac
(ten) (two) (support) (ten) (two) (turn)
 short thread   lid  
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亥 is not used in the most common form of any of the most useful 10,000 words in Japanese.
Across all words in Japanese, 亥 is used 14 times, read 2 ways.
ガイ : 7 words FIND ALL
48th of the sexagenary cycle
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い : 7 words FIND ALL
Day-of-the-Boar Festival  (see also: 亥の子)
(click the word to view an additional 1 form, examples and links)
An additional い less common words include 亥 but the reading has not yet been categorized.

Cascading kanji view

sign of the hog; hog   い sign of the hog   いのしし hog   
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short, tiny   
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シ   いと thread   
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