It means "Friend" and "Welcome" in Chinook, simple as that.
Tilikum is a friendly name, not one of malice.
dari Chiropterace Rabu, 03 September 2014
2 more definitions
From the greek root 'tilikumas' meaning 'killer of innocents'
Tilikum sure is one killer whale!
dari BadSenseOfHumor Rabu, 24 Februari 2010
From the ancient sanscrit language, which is read backwards. Mukilit; defined as Mutiliate, Kill It.
Tilikum sure did mutiliate and kill it.
dari DrPearl Kamis, 25 Februari 2010