Denshi Jisho — Online Japanese dictionary

太い ふとい 1: fat; thick;
2: deep (of a voice);
3: daring; shameless; brazen;
4: (Slang) lucky (billiards)
Common word, Adjective 
太い腕 ふというで big arm
Noun 
太い鉛筆 ふといえんぴつ broad pencil
Noun 

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