diff --git a/zulip_bots/zulip_bots/bots/define/define.py b/zulip_bots/zulip_bots/bots/define/define.py
index ec18548..aa171c7 100644
--- a/zulip_bots/zulip_bots/bots/define/define.py
+++ b/zulip_bots/zulip_bots/bots/define/define.py
@@ -13,7 +13,7 @@ class DefineHandler(object):
     looks for messages starting with '@mention-bot'.
     '''
 
-    DEFINITION_API_URL = 'https://owlbot.info/api/v1/dictionary/{}?format=json'
+    DEFINITION_API_URL = 'https://owlbot.info/api/v2/dictionary/{}?format=json'
     REQUEST_ERROR_MESSAGE = 'Could not load definition.'
     EMPTY_WORD_REQUEST_ERROR_MESSAGE = 'Please enter a word to define.'
     PHRASE_ERROR_MESSAGE = 'Definitions for phrases are not available.'
@@ -64,7 +64,7 @@ class DefineHandler(object):
                     # Show definitions line by line.
                     for d in definitions:
                         example = d['example'] if d['example'] else '*No example available.*'
-                        response += '\n' + '* (**{}**) {}\n  {}'.format(d['type'], d['defenition'], html2text.html2text(example))
+                        response += '\n' + '* (**{}**) {}\n  {}'.format(d['type'], d['definition'], html2text.html2text(example))
 
             except Exception as e:
                 response += self.REQUEST_ERROR_MESSAGE
diff --git a/zulip_bots/zulip_bots/bots/define/fixtures/test_incorrect_word.json b/zulip_bots/zulip_bots/bots/define/fixtures/test_incorrect_word.json
index 8f56269..82ddd2d 100644
--- a/zulip_bots/zulip_bots/bots/define/fixtures/test_incorrect_word.json
+++ b/zulip_bots/zulip_bots/bots/define/fixtures/test_incorrect_word.json
@@ -1,6 +1,6 @@
 {
     "request":{
-        "api_url":"https://owlbot.info/api/v1/dictionary/foo?format=json"
+        "api_url":"https://owlbot.info/api/v2/dictionary/foo?format=json"
     },
     "response":[
     ],
diff --git a/zulip_bots/zulip_bots/bots/define/fixtures/test_multi_type_word.json b/zulip_bots/zulip_bots/bots/define/fixtures/test_multi_type_word.json
index 7eb1bbf..4a16b57 100644
--- a/zulip_bots/zulip_bots/bots/define/fixtures/test_multi_type_word.json
+++ b/zulip_bots/zulip_bots/bots/define/fixtures/test_multi_type_word.json
@@ -1,31 +1,31 @@
 {
     "request":{
-        "api_url":"https://owlbot.info/api/v1/dictionary/help?format=json"
+        "api_url":"https://owlbot.info/api/v2/dictionary/help?format=json"
     },
     "response":[
         {
             "type":"verb",
-            "defenition":"make it easier or possible for (someone) to do something by offering them one's services or resources.",
+            "definition":"make it easier or possible for (someone) to do something by offering them one's services or resources.",
             "example":"they helped her with domestic chores"
         },
         {
             "type":"verb",
-            "defenition":"serve someone with (food or drink).",
+            "definition":"serve someone with (food or drink).",
             "example":"may I help you to some more meat?"
         },
         {
             "type":"verb",
-            "defenition":"cannot or could not avoid.",
+            "definition":"cannot or could not avoid.",
             "example":"he couldn't help laughing"
         },
         {
             "type":"noun",
-            "defenition":"the action of helping someone to do something.",
+            "definition":"the action of helping someone to do something.",
             "example":"I asked for help from my neighbours"
         },
         {
             "type":"exclamation",
-            "defenition":"used as an appeal for urgent assistance.",
+            "definition":"used as an appeal for urgent assistance.",
             "example":"Help! I'm drowning!"
         }
     ],
diff --git a/zulip_bots/zulip_bots/bots/define/fixtures/test_single_type_word.json b/zulip_bots/zulip_bots/bots/define/fixtures/test_single_type_word.json
index 6f286ed..38081a6 100644
--- a/zulip_bots/zulip_bots/bots/define/fixtures/test_single_type_word.json
+++ b/zulip_bots/zulip_bots/bots/define/fixtures/test_single_type_word.json
@@ -1,11 +1,11 @@
 {
     "request":{
-        "api_url":"https://owlbot.info/api/v1/dictionary/cat?format=json"
+        "api_url":"https://owlbot.info/api/v2/dictionary/cat?format=json"
     },
     "response":[
         {
             "type":"noun",
-            "defenition":"a small domesticated carnivorous mammal with soft fur, a short snout, and retractile claws. It is widely kept as a pet or for catching mice, and many breeds have been developed.",
+            "definition":"a small domesticated carnivorous mammal with soft fur, a short snout, and retractile claws. It is widely kept as a pet or for catching mice, and many breeds have been developed.",
             "example":"their pet cat"
         }
     ],