noun
horizontal stroke ending in a triangular tail (clerical script)
Technical term in East Asian calligraphy, specifically for the 八分 (はっぷん) clerical script style. The stroke is characterized by a distinctive flared, wave-like tail.
See also: 八分 (はっぷん)
隷書の波磔は、横画の終わりが波のようにうねる。
The hataku stroke in clerical script has a horizontal line that undulates like a wave at the end.