habit meaning
EN
[ˈhæbɪt] [-æbɪt] 
US WHabit
- A habit (or wont) is a routine of behavior that is repeated regularly and tends to occur unconsciously.
- In the American Journal of Psychology (1903) it is defined in this way: "A habit, from the standpoint of psychology, is a more or less fixed way of thinking, willing, or feeling acquired through previous repetition of a mental experience.
- As behaviors are repeated in a consistent context, there is an incremental increase in the link between the context and the action. This increases the automaticity of the behavior in that context.
FR habit 
- NounPLhabits
- An action done on a regular basis.
- An action performed repeatedly and automatically, usually without awareness.
- By force of habit, he dressed for work even though it was holiday.
- A long piece of clothing worn by monks and nuns.
- It’s interesting how Catholic and Buddhist monks both wear habits.
- A piece of clothing worn uniformly for a specific activity.
- The new riding habits of the team looked smashing!
- (archaic) Outward appearance; attire; dress.
- (botany, mineralogy) Form of growth or general appearance of a variety or species of plant or crystal.
- An addiction.
- He has a 10-cigar habit.
- An action done on a regular basis.
- VerbSGhabitsPRhabitingPT, PPhabited
- More Examples
- Used in the Middle of Sentence
- Well you tried it just for once, found it alright for kicks, but now you found it's a habit that sticks, and you're an orgasm addict, you're an orgasm addict.
- What though thy habit differ from thy kinde, Thou maiest retain thy wonted loving minde.
- You noticed a habit of mine once. I never make gestures. All Belters have that trait. It's because on a small mining ship you could hit something waving your arms around.
- Used in the Ending of Sentence
- She really read him the riot act about his smoking habit.
- By Christopher Columbus's time, these tenets had become a forma mentis, a mental habit.
- The tongue-lolling bit was devised to overcome these habits.
- Used in the Middle of Sentence
Definition of habit in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Verbs
- Nouns
- fr habit
- en habits
- fr habits
- en habitual
- fr habitation
Source: Wiktionary
Grammatically, this word "habit" is a noun, more specifically, a countable noun. It's also a verb.