What part of speech is hackling?

Hackling can be categorized as a verb.

Parts of speech

• 1. hackling is a verb, gerund of hackle (infinitive).

Inflections

Verb

• Infinitive

  Present

  Simple Past

  Past Participle

  Gerund
• (to) hackle 

  hackle  / hackles 

  hackled 

  hackled 

  hackling 

• Infinitive: (to) hackle 
• Present: hackle  / hackles 
• Simple Past: hackled 
• Past Participle: (have) hackled 
• Gerund: hackling 

What does hackling mean?