There are 2 definitions of hobby in English:

hobby1

Syllabification: hob·by
Pronunciation: /ˈhäbē
 
/

noun (plural hobbies)

  • 1An activity done regularly in one’s leisure time for pleasure: her hobbies are reading and gardening
    More example sentences
    • This might be an opportune time to explore or return to hobbies, leisure activities or career pursuits.
    • Take a course or find an activity or hobby that brings you pleasure and allows you to meet people.
    • However, out of all her many hobbies and activities, Philippa's greatest love was gardening.
    Synonyms
    pastime, leisure activity, leisure pursuit; sideline, side interest, diversion, avocation; recreation, entertainment, amusement
  • 2 archaic A small horse or pony.
  • 2.1 historical An early type of velocipede.

Origin

late Middle English hobyn, hoby, from nicknames for the given name Robin. Originally sense 2 (compare with dobbin), it later came to denote a toy horse or hobbyhorse, hence 'a pastime, something done for pleasure'.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody

There are 2 definitions of hobby in English:

hobby2

Syllabification: hob·by
Pronunciation: /
 
ˈhäbē/

noun (plural hobbies)

  • A migratory Old World falcon with long narrow wings, catching dragonflies and birds on the wing.
    • Genus Falco, family Falconidae: four species, e.g., the (northern) hobby (F. subbuteo) of Eurasia
    More example sentences
    • Finally, the honey buzzards, young griffon vultures and hobbies mark the end of the spring or prenuptial migration, around the end of June.
    • This is a hobby, a bird that is extremely fast and acute in flight reaching speeds of up to 200 km/h.
    • The hobby is essentially an insect eater.

Origin

late Middle English: from Old French hobet, diminutive of hobe 'falcon'.

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