horse meaning
EN
[hɔː(ɹ)s] [-ɔː(ɹ)s] 
'a horse' UK US WHorse
- The horse (Equus ferus caballus) is one of two extant subspecies of Equus ferus. It is an odd-toed ungulate mammal belonging to the taxonomic family Equidae.
- Horses' anatomy enables them to make use of speed to escape predators and they have a well-developed sense of balance and a strong fight-or-flight response.
- Horse breeds are loosely divided into three categories based on general temperament: spirited "hot bloods" with speed and endurance; "cold bloods", such as draft horses and some ponies, suitable for slow, heavy work; and "warmbloods",
EN HORSE 
- NounPLhorses
- (heading) Any of several animals related to Equus ferus caballus.
- A cowboy's greatest friend is his horse.
- These bone features, distinctive in the zebra, are actually present in all horses.
- We should place two units of horse and one of foot on this side of the field.
- All the King's horses and all the King's men, couldn't put Humpty together again.
- Now just remind me how the horse moves again?
- Every linebacker they have is a real horse.
- (heading) Equipment with legs.
- She's scored very highly with the parallel bars; let's see how she does with the horse.
- a clothes horse; a sawhorse
- (heading, nautical) Equipment.
- (Can we find and add a quotation of W. C. Russell to this entry?)
- (Can we find and add a quotation of Totten to this entry?)
- (mining) A mass of earthy matter, or rock of the same character as the wall rock, occurring in the course of a vein, as of coal or ore; hence, to take horse (said of a vein) is to divide into branches for a distance.
- (slang) The sedative, antidepressant, and anxiolytic drug morphine, chiefly when used illicitly.
- (US) An informal variant of basketball in which players match shots made by their opponent(s), each miss adding a letter to the word "horse", with 5 misses spelling the whole word and eliminating a player, until only the winner is left. Also HORSE, H-O-R-S-E or H.O.R.S.E. (see H-O-R-S-E on Wikipedia.Wikipedia:Variations of basketball#H-O-R-S-E).
- (dated, slang, among students) A translation or other illegitimate aid in study or examination.
- (dated, slang, among students) horseplay; tomfoolery.
- (uncountable, slang, dated) Heroin (drug).
- Alright, mate, got any horse?
- (heading) Any of several animals related to Equus ferus caballus.
- VerbSGhorsesPRhorsingPT, PPhorsed
- (intransitive) To frolic, to act mischievously. (Usually followed by "around".).
- (transitive) To provide with a horse.
- (obsolete) To get on horseback.
- To sit astride of; to bestride.
- (of a male horse) To copulate with (a mare).
- To take or carry on the back.
- To place on the back of another person, or on a wooden horse, etc., to be flogged; to subject to such punishment.
- (intransitive) To frolic, to act mischievously. (Usually followed by "around".).
- More Examples
- Used in the Middle of Sentence
- As he would hitch it up, the horse would bolt and light out for home.
- Jonah was being sarcastic, yet you got on a major high horse with your teal deer, oh-so-serious reply to him.
- From the distance of today, my guess is that it was the free-roaming horses that had most to do with the increase in carnivores, mainly because nobody was trying to protect them.
- Used in the Ending of Sentence
- Wait for me here. I'll only be a couple of minutes. I've just got to see a man about a horse.
- The poor peasant was forced to unthatch his house to obtain food for his horse.
- A solid mane thinner is indispensable in finishing the looks of your horse.
- Used in the Middle of Sentence
Definition of horse in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Singularia tantum
- Uncountable nouns
- Uncountable nouns
- Countable nouns
- Verbs
- Intransitive verbs
- Transitive verbs
- Intransitive verbs
- Nouns
Source: Wiktionary
Grammatically, this word "horse" is a noun, more specifically, a countable noun and a singularia tantum. It's also a verb, more specifically, an intransitive verb and a transitive verb.