Definition of "foreshow"

foreshow¹

/fɔːˈʃəʊ/

verb
third-person singular simple present foreshows, present participle foreshowing, simple past foreshowed, past participle foreshown
1. (transitive, archaic) To show in advance; to foretell, predict.
  Quotations
  Amid his senses' giddy wheel, / Did he not desperate impulse feel, / Headlong to plunge himself below, / And meet the worst his fears foreshow?— […]
  1810, Walter Scott, “Canto II. The Island.”, in The Lady of the Lake; […], Edinburgh: […] [James Ballantyne and Co.] for John Ballantyne and Co.; London: Longman, Hurst, Rees, and Orme, and William Miller, stanza XXXI, pages 85–86
  What could the soothsayer foreshow that we knew not before? The future is written in the past; and if we prophesy, it is with eyes that look behind.
  1834, L[etitia] E[lizabeth] L[andon], chapter XXX, in Francesca Carrara. […], volume II, London: Richard Bentley, […], (successor to Henry Colburn), page 314
2. (transitive, obsolete) To foreshadow or prefigure.
  Quotations
  But if the rays break forth out of the middle, or dispersed, and its exterior body, or the out parts of it, be covered with clouds, it foreshows great tempests both of wind and rain.
  1841, Francis Bacon, Basil Montagu, The Works of Francis Bacon, Lord Chancellor of England

foreshow²

/ˈfɔːʃəʊ/

noun
plural foreshows
1. (obsolete) A manifestation in advance; a prior indication.
  Quotations
  The fore-shew of their inclination whilest they are young is so uncertaine […] that it is very hard, (yea for the wisest) to ground any certaine judgement […].
  1603, Michel de Montaigne, translated by John Florio, The Essayes […], London: […] Val[entine] Simmes for Edward Blount […]