n.

1. 新月；弦月[C]
   The crescent is a beautiful sight to watch, especially for lovers.

   弦月是個很好看的景象，尤其對於戀人而言。

2. 新月狀物；新月形麵包；新月形街道[C]
3. （大寫）新月旗；土耳其；伊斯蘭教[the S]

a.

1. 新月形的
   a crescent pin

   月牙形飾針

2. 逐漸增大的
   the crescent darkness

   漸濃的夜色

n.

1. the curved shape of the waxing or waning moon.
2. a thing which has the shape of a single curve, especially when broad in the centre and tapering to a point at each end.
   ▸chiefly Brit. a street or terrace of houses forming an arc.
3. (the Crescent) chiefly historical the political power of Islam or of the Ottoman Empire.

adj.

1. having the shape of a crescent:
   a crescent moon.
2. literary growing, increasing, or developing.