名詞 nib:

1. the writing point of a pen
   同義詞：pen nib
2. horny projecting mouth of a bird
   同義詞：beak, bill, neb, pecker

1. The lawyer nib his pen, spread out his paper, and prepared to write.
   那律師裝上筆尖; 攤開紙張，準(zhǔn)備繕寫。
2. A projecting part, especially a nib.
   向前突出的部位，尤指筆尖
3. The nib is blunted.
   鋼筆尖兒戳了。

nib

n.（名詞）

The sharpened point of a quill pen.
筆尖：鵝毛筆磨細(xì)的尖
A tapered point of a pen, designed to be inserted into a penholder or fountain pen.
鋼筆尖：鋼筆的細(xì)尖，為能插入筆桿或自來水筆設(shè)計(jì)
A sharp point or tip.
細(xì)尖或頭
A bird`s beak or bill.
鳥喙或嘴

來源：
Alteration of neb
neb的變化