1. A genus of cephalopods, having a discoid, multilocular shed.

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

• spirla,
• spirulla,
• spirilla,
• apirula,
• zpirula,
• xpirula,
• dpirula,
• epirula,
• wpirula,
• soirula,
• slirula,
• s-irula,
• s0irula,
• spurula,
• spiruola,
• spyrula,
• spirella,
• spirola,
• Spyrulia,
• Spirrala

• sparling,
• Sperling,
• spirally,
• spirillum,
• sprowl,
• sprawled,
• sprawl,
• spirulidae,
• Spurlock,
• sprawler,
• Spruill,
• sproul,
• Spruell,
• sprawling,
• spiraling,
• Spurling,
• spiral,
• spurlin,
• spherule,
• sparely,
• sproles,
• sproull,
• sporulate,
• spirilla,
• sproule,
• sprawly.

The adjective form of the word "spirula" is "spirulate".

The plural of the "spirula" can be the "spirulas".

The singular of the "spirula" can be the "spirula".