Pinning

//ˈpɪnɪŋ// noun, verb

Definitions

Noun
  1. 1
    The action of the verb pin in any sense. countable, uncountable
  2. 2
    a mutual promise of a couple not to date anyone else; on college campuses it was once signaled by the giving of a fraternity pin wordnet
  3. 3
    A ceremony in which a pin badge is given. countable, uncountable

    "There were a variety of informal traditional activities that occurred in recognition of events such as birthdays, pinnings (when a member gave his fraternity pin to his girlfriend to acknowledge preengagement), and engagements."

  4. 4
    The establishment of the definite quantum state of a particle, or of the occupation number of a system of particles countable, uncountable
Verb
  1. 1
    present participle and gerund of pin form-of, gerund, participle, present

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