Latch

Latch may refer to:

• Latch (hardware), a type of door or window fastener
• Latch (electronics), a circuit used to store information
  • A latching relay
• Latch (database), (a relatively short-lived) lock on a system data-structure like an index
• The baby's orientation with respect to the woman, in breastfeeding
• LATCH, a mounting system for child safety seats required in the United States and Canada
• The judicial doctrine of laches