corps meaning
EN
[kɔː] [kɔɹ] [ko(ː)ɹ] [koə] [-ɔː(ɹ)] [kɔːz] [kɔɹz] [ko(ː)ɹz] [koəz] [-ɔː(ɹ)z] 
US WCorps
- A corps (/ˈkɔər/ "core"; the plural is spelled the same as singular but pronounced /ˈkɔərz/ "cores"; from French, from the Latin corpus "body") is an organized body of people.
- It may be:
- A large military formation composed of two or more military divisions. There is no rule for the size of a corps, but typically it might consist of 20,000 to 40,000 soldiers.
- A professional branch of the armed forces such as a medical corps, signal corps, marine corps, etc.
- A civilian public organization such as a police corps, ambulance corps, Civil Defence Corps etc.
FR corps 
- NounPREcor-
- More Examples
- Used in the Middle of Sentence
- The structure will house the United States Army signal corps office which maintains radio and cable communication between Alaska and the States
- Used in the Middle of Sentence
Definition of corps in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Noun forms
- Plurals
- Irregular plurals
- Invariant nouns
- Invariant nouns
- Irregular plurals
- Noun plural forms
- Irregular plurals
- Invariant nouns
- Invariant nouns
- Irregular plurals
- Plurals
- Invariant nouns
- Irregular plurals
- Invariant nouns
- Invariant nouns
- Nouns with irregular plurals
- Invariant nouns
- Invariant nouns
- Countable nouns
- Noun forms
- Nouns
Source: Wiktionary
Grammatically, this word "corps" is a noun, more specifically, a noun form, an invariant noun, an irregular plural, a nouns with irregular plural and a countable noun.