Palu is a term that can refer to different things, depending on the context. Here are some possible meanings:

• Escolar: According to Merriam-Webster, "palu" can mean escolar, which is a type of fish.

• Hardwood tree: "Palu" can also refer to a hardwood tree (Manilkara hexandra) found in India and Ceylon, whose bark is used for tanning and whose timber is red to purplish brown.

• Name: In Urban Dictionary, "Palu" is described as a special kind of man, and there is only one Palu in the world. However, this is likely a personal name and not a general meaning of the term.

• City: Palu is the capital and largest city of Central Sulawesi, Indonesia. It is located on the northwestern coast of Sulawesi and is the center of finance, government, and education in the region. Palus economy is diverse, with the largest sectors being construction, administration activities and social security, and the information and communication sector. Palus gross regional product (GRP) was valued at Rp28,445.14 billion in 2023.

In Hawaiian, "palu" can refer to a relish made of fish, or to fish bait made of fish head or stomach. In Wiktionary, "palu" is described as a word with various meanings in different languages, such as "hammer" in Indonesian and "to lick" in Hawaiian.