bulla.

1. A large blister in or beneath the skin containing fluid.

2. A seal, especially a historical seal attached to a formal document, or an instrument identified by such a seal.

Use it for

Words that belong together

• a tense bulla
• ruptured bullae

On the page

A tense bulla caught the light beside the bandage.

The ruptured bullae left surfaces the examiner recorded carefully.

Usage notes

Primary category: horror. Forms: Singular bulla; plural bullae. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.