### Core Meaning & Semantic Range
The Greek word **siteutós**, represented by `{{G4618}}`, means **grain-fed, i.e. fattened**. This term appears **3 times** across **3 unique verses** in the Bible, and is used to describe an animal specially prepared for a significant feast.
### Biblical Occurrences & Contextual Analysis
In its biblical usage, `{{G4618}}` is found exclusively within the Parable of the Prodigal Son in Luke's Gospel. It is always used in the phrase "the **fatted** calf." This signifies an extravagant celebration prepared by the father upon the return of his lost son. The father commands, "bring hither the **fatted** calf, and kill it; and let us eat, and be merry" [[Luke 15:23]]. The term is later used in the complaint of the older brother, who notes that the father has killed the "**fatted** calf" for the son who had "devoured thy living with harlots" [[Luke 15:30]].
### Related Words & Concepts
Several related words help illustrate the context of this celebratory welcome:
* `{{G3448}}` **móschos** (calf): This word specifies the animal being prepared. It is defined as a **young bullock** and is the object prepared for the feast ([[Luke 15:23]], [[Luke 15:27]], [[Luke 15:30]]). Its use is also seen in descriptions of sacrifices [[Hebrews 9:19]].
* `{{G2380}}` **thýō** (kill): This verb, meaning to **sacrifice** or **slay**, describes the action taken with the fatted calf. The father commands the servants to **kill** it for the feast [[Luke 15:23]], an action later recounted by the servant and the older son ([[Luke 15:27]], [[Luke 15:30]]).
* `{{G2165}}` **euphraínō** (be merry): This word captures the purpose of preparing the fatted calf. It means to **rejoice** or be in a good frame of mind. The father's intent is for everyone to eat and **be merry** [[Luke 15:23]], and he later affirms that it was necessary to **make merry** because the lost son had been found [[Luke 15:32]].
* `{{G3962}}` **patḗr** (father): This word identifies the one who calls for the celebration. As a term for **father**, it denotes the source of the extravagant welcome and forgiveness, who rejoices at receiving his son "safe and sound" [[Luke 15:27]].
### Theological Significance
The theological significance of `{{G4618}}` is concentrated in its single narrative context:
* **Symbol of Extravagant Welcome:** The **fatted** calf was not an ordinary meal but was reserved for a special occasion. Its preparation shows the immense joy and high value the father places on the son who was lost but is now found [[Luke 15:27]].
* **Sign of Full Restoration:** The feast centered around the **fatted** calf marks the son's complete reinstatement into the family. The celebration signifies that the son, who was "dead, and is alive again," is fully restored to his position [[Luke 15:32]].
* **Illustration of Unmerited Grace:** The older brother's grievance highlights the calf's significance. He contrasts his own faithfulness with his brother's sin, yet the father provides the **fatted** calf for the penitent sinner, symbolizing a grace that is not earned but given freely [[Luke 15:30]].
### Summary
In summary, while **siteutós** `{{G4618}}` is a rare word, its singular context makes it deeply significant. As the "**fatted**" calf, it transforms from a simple agricultural term into a powerful symbol of joyous celebration, radical forgiveness, and the lavish, unearned welcome that awaits the repentant. It memorably illustrates the heart of a father who rejoices over the restoration of his child.
TRV