Section 2101. Definitions

Except  when  the context otherwise requires, as
  used in this article:
    (a) "Dealer" means a person registered as a dealer under section  four
  hundred fifteen or twenty-two hundred fifty-seven of this chapter.
    (b)  "Commissioner"  includes  the  office  and a branch office of the
  commissioner and, when authorized to receive a document or fee as  agent
  of the commissioner, the clerk of a county.
    (c)  "Identifying  number" means the numbers, and letters if any, on a
  vehicle designated by the commissioner for the  purpose  of  identifying
  the vehicle.
    (d)  "Implement  of  husbandry"  means  a vehicle designed and adapted
  exclusively  for  agricultural,  horticultural  or   livestock   raising
  operations  or  for lifting or carrying an implement of husbandry and in
  either case not subject to registration if used upon the highways.
    (e) "Lienholder" means a person  holding  a  security  interest  in  a
  vehicle.
    (f)  To  "mail"  means  to  deposit in the United States mail properly
  addressed and with postage prepaid.
    (g) "Owner" means a  person,  other  than  a  lienholder,  having  the
  property  in  or title to a vehicle. The term includes a person entitled
  to the use and possession of a vehicle subject to a security interest in
  another person, but excludes a lessee under  a  lease  not  intended  as
  security.
    (h) "Person" means a natural person, firm, co-partnership, association
  or corporation.
    (i) "Pole trailer" means a vehicle without motive power designed to be
  drawn  by another vehicle and attached to the towing vehicle by means of
  a reach, or pole, or by being boomed or otherwise secured to the  towing
  vehicle, and ordinarily used for transporting long or irregularly shaped
  loads  such  as  logs,  poles,  pipes,  or  structural  members capable,
  generally, of sustaining themselves  as  beams  between  the  supporting
  connections.
    (j)  "Security  agreement" means a written agreement which reserves or
  creates a security interest.
    (k) "Security interest" means an interest in  a  vehicle  reserved  or
  created  by  agreement  and  which  secures payment or performance of an
  obligation. The term includes the interest of a  lessor  under  a  lease
  intended  as security.   The term also includes an interest in a vehicle
  pursuant to a lien arising under section two hundred eleven of the  lien
  law  and  section  one  hundred  eleven-u of the social services law.  A
  security interest is "perfected" when it is valid against third  parties
  generally, subject only to specific statutory exceptions.
    (l)  "Special  mobile  equipment" means a vehicle not designed for the
  transportation  of  persons  or  property  upon  a  highway   and   only
  incidentally operated or moved over a highway, which if registered would
  be  registered  pursuant  to  schedule F of subdivision seven of section
  four hundred one of this chapter.
    (m) "State" means a state,  territory  or  possession  of  the  United
  States,  the District of Columbia, the Commonwealth of Puerto Rico, or a
  province of the Dominion of Canada.
    (n) "Vehicle" means a  vehicle  as  defined  in  section  one  hundred
  fifty-nine of this chapter except that it shall not include a device for
  which  a  registration  is  denied pursuant to section four hundred-a of
  this chapter and, except with respect to section twenty-one hundred  two
  of  this  article,  shall  also  mean  a  vessel  as  defined in section
  twenty-two hundred fifty of this chapter.  Unless  otherwise  specified,
  "vehicle" also means a "mobile home" or a "manufactured home" as defined
  in section one hundred twenty-two-c of this chapter.