火柱

1. Origins, structure, and basic meaning

• Structure: 火柱, read ひばしら, combines fire 火 with pillar 柱 to denote flames rising in a vertical column.
• Basic usage: It denotes flames rising high in a column, as in 炉から火柱が上がる.

2. Common pitfalls and similar expressions

• Scope and context
  • It is larger than a spark 火花 and defined by a vertical column shape, which stage lighting may also imitate.