ひたhitasu
1.

To allow an object to absorb a liquid to the extent that it becomes saturated or thoroughly wet, often used in contexts like soaking something in water or immersing it in a solution.

2.

To place an item into a liquid, facilitating its interaction with the liquid, either for the purpose of cleaning, flavoring, or preparation, as in the act of wetting a cloth or preparing rice.

3.

To completely submerge or dip an object in a fluid, resulting in the object's surface being covered, which may signify an intention of infusion or absorption of properties from the liquid.

Example:

鳥は首をひょいと水に浸した。