尖角
5.Rock composed of sharp-angled fragments embedded in a fine-grained matrix.
6.of a leaf shape; like a spear point, with flaring pointed lobes at the base.
7.small 6-pointed metal pieces that are used (along with a ball) to play the game of jacks.
10.a sterile simple or branched filament or hair borne among sporangia; may be pointed or clubbed.

