Webster's English Dictionary

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petechia

pe.te.chia \p*-'te--ke--*, -'ta--\ \-'te--ke--.e-, -'ta--ke--.i-\ \-ke--*l\ 
   \-ke--*t\ n or pe.te.chi.ae [NL, fr. It petecchia, deriv. of L impetigo] pl 
    : a minute hemorrhagic or purpuric spot appearing esp. in some infectious  
   diseases - pe.te.chi.al aj