/
ˈdʒʌŋ(k)tʃə/
n.
   - a particular point in time.
 - a place where things join.
 - Phonetics  the features in speech that enable a hearer to detect a word boundary (e.g. distinguishing I scream from ice cream).
 
Etymology
ME: from L. junctura ‘joint’, from jungere ‘to join’.