1. A hollow like a capsule.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• casula,
• capsul,
• capsual,
• capsuler,
• capsuls,
• capulal,
• calcular,
• canular,
• capulan,
• captiular,
• captulary,
• capsela,
• capsulla,
• xapsular,
• vapsular,
• capular,
• capsulatd,
• capsulate,
• carssula,
• cupularr

• capsulate,
• capsule,
• capsulize,
• capsella,
• capsulated,
• casual,
• capsulise.

The adjective form of the word "capsular" is "capsular".

The plural form of the word "capsular" is "capsulars".

The singular form of the word "capsular" is "capsule"