柱（はしら、hashira）
- pillar

The Japanese word 柱 (*hashira*) primarily means "pillar" or "post." It refers to a vertical structural support, typically found in buildings, that bears weight. The word can also extend metaphorically to other areas.

⚫︎家の柱 Translation: The house's pillars. ⚫︎柱時計 Translation: A grandfather clock (literally, "pillar clock"). ⚫︎会社の要の柱 Translation: The main pillar of the company (figuratively, a key person or element).

This word is used in a variety of contexts, from describing physical structures to representing something fundamental or essential. It's common in conversations about architecture, construction, and sometimes abstract concepts like a "pillar of strength."

⚫︎The word is typically written as 柱 using the kanji 柱. ⚫︎The hiragana reading is はしら. ⚫︎There are no significant variations in okurigana.

⚫︎支柱 (*shichuu*) - support, prop, or column (more formal term) ⚫︎ポール (*pooru*) - pole (borrowed from English) ⚫︎電信柱 (*denshinbashira*) - Telephone pole

While there isn't a direct antonym for 柱, words that relate to the *absence* of support or structure could be considered related opposites, such as: ⚫︎土台 (*dodai*) - foundation ⚫︎壁 (*kabe*) - wall

その建物は立派な柱が特徴です。 ・Translation: That building is characterized by its magnificent pillars. ・Explanation: This sentence uses 柱 to describe a structural element of a building, highlighting its importance.

彼は家族の柱です。 ・Translation: He is the pillar of his family. ・Explanation: This sentence uses 柱 metaphorically to refer to someone who provides support and stability within a family.

The kanji 柱 (pronounced *hashira*) combines the radicals for "tree" (木) and "master/lord" (主). This reflects its origin as a key structural element, similar to a strong, central "master" support, often derived from wood.