n. 锤顶

vt. 用锤顶敲击, 敲弯头

[机] 尖底捣锤

[ noun ]
the part of a hammerhead opposite the flat striking surface (may have various shapes)
<noun.artifact>

Peen \Peen\, n. [Cf. G. pinne pane of a hammer.]
(a) A round-edged, or hemispherical, end to the head of a
hammer or sledge, used to stretch or bend metal by
indentation.
(b) The sharp-edged end of the head of a mason's hammer.
[Spelt also {pane}, {pein}, and {piend}.]


Peen \Peen\, v. t.
To draw, bend, or straighten, as metal, by blows with the
peen of a hammer or sledge.