Radical 207 meaning "drum" (鼓部) is 1 of 4 Kangxi radicals (214 radicals total) composed of 13 strokes.
In the Kangxi Dictionary there are 46 characters (out of 49,030) to be found under this radical.
Evolution Ideogrammic compound: 壴 ("drum") + 支 ("hand holding drumstick").
壴 Kangxi dictionary listed 壴 under 士+6. Compare 豆.
Characters with Radical 207 strokes character +0 +5 +6 +8 +10 +11 +12
Literature
External links Unihan Database - U+9F13