Radical 187 or radical horse (馬部) meaning "horse" is one of the 8 Kangxi radicals (214 radicals in total) composed of 10 strokes.

In the Kangxi Dictionary, there are 472 characters (out of 49,030) to be found under this radical.

马, the simplified form of 馬, is the 58th indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China, while the traditional form 馬 is listed as its associated indexing component. The simplified form 马 is derived from the cursive script form of 馬.

• Oracle bone script character
• Bronze script character
• Large seal script character
• Small seal script character
• Semi-cursive script form
• Cursive script form

The radical is also used as an independent Chinese character. It is one of the Kyōiku kanji or Kanji taught in elementary school in Japan.^[1] It is a second grade kanji^[1]