robe meaning
EN
[ɹəʊb] [ɹoʊb] [-əʊb] 
US WRobe
- A robe is a loose-fitting outer garment. Unlike garments described as capes or cloaks, robes usually have sleeves.
- A gown worn as part of the academic regalia of faculty or students, especially for ceremonial occasions, such as a convocations, congregations or graduations.
- A gown worn as part of the attire of a judge or barrister.
- A wide variety of long, flowing religious dress including pulpit robes and the robes worn by various types of monks.
- A gown worn as part of the official dress of a peer or royalty.
FR robe 
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Verbs
- Nouns
Source: Wiktionary
Grammatically, this word "robe" is a noun, more specifically, a countable noun. It's also a verb.