What does Mark 15:37 mean?

The cry Mark is referring to may be just a wordless, guttural expression. Or, Jesus may be giving His benediction. John records Jesus saying: "It is finished," (John 19:30). Luke quotes, "Father, into your hands I commit my spirit!" (Luke 23:46). At last, after a morning of beatings and torture and six hours hanging on the cross, Jesus' physical ordeal is over.

More importantly, He is once again reunited with His Father. The Trinity is impossible to fully comprehend. God is three Persons with one nature. Jesus the Son and God the Father are one (John 10:30). God the Father is in Jesus and Jesus is in God the Father. And yet, on the cross, Jesus felt separated from the Father. That's hard to understand, and even harder for us to attempt to explain in human terms. The nature of the Trinity is beyond human thought, to begin with; all we can do is note the truths explained in God's Word. According to this passage, when the Father puts the weight of the sins of the world onto Jesus, it impacts His connection with the Son. Jesus felt forsaken (Mark 15:34).

The centurion is moved by Jesus' loud cry (Mark 15:39), and likely by the accompanying earthquake (Matthew 27:51, 54). Crucifixion victims usually take two or three days to slowly die of asphyxiation. They die quietly, unable to breathe. Jesus shouts. That exclamation, combined with the blood and water that escape from His chest when He is later pierced (John 19:34), suggests Jesus dies of profound trauma, a combination of severe blood loss and fluid pooling in His chest. He has literally spilt His blood for our sins as a perfect sacrifice.