diff --git a/glossary/Domain-name-registrar.md b/glossary/Domain-name-registrar.md
new file mode 100644
index 000000000..a6ef17a13
--- /dev/null
+++ b/glossary/Domain-name-registrar.md
@@ -0,0 +1,4 @@
+### Domain name registrar
+
+A domain name registrar is a company that manages the reservation of internet domain names.
+A domain name registrar must be approved by a general top-level domain (gTLD) registry or a country code top-level domain (ccTLD) registry.