orca
orca — noun
1. a large black-and-white sea mammal from the dolphin family that hunts fish and o
a large black-and-white sea mammal from the dolphin family that hunts fish and other sea animals
An orca rose beside our boat and blew water into the air.
see an orca from a boat
The children watched an orca chase seals near the ice.
watch an orca chase prey
At the show, one orca balanced a ball on its nose.
A team followed two orcas for hours along the Alaska coast.
A baby orca stayed close to its mother in rough water.
- killer whale
the standard everyday name for exactly the same animal
- whale
a much broader everyday word for many large sea mammals
- cetacean
a formal scientific term covering whales, dolphins, and porpoises
- marine mammal
a very broad term that also includes animals such as seals
文法句型
see an orca
watch orcas hunt
baby orca
orca pod
用法筆記
Usually countable. The plural is often orcas in ordinary use. Killer whale is the more familiar everyday name, while orca is common in documentaries, science writing, and news reports.