boot block

noun

A dedicated block usually at the beginning (first block on first track) of a storage medium that holds special data used to start a system. Some systems use a boot block of several physical sectors, while some use only one boot sector. Other manufacturers use the terms boot block and boot sector interchangeably.

Similar
boot sector
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Meanings

nounboot block (plural boot blocks)

plural boot blocks · alternative bootblock

  1. computingA dedicated block usually at the beginning (first block on first track) of a storage medium that holds special data used to start a system. Some systems use a boot block of several physical sectors, while some use only one boot sector. Other manufacturers use the terms boot block and boot sector interchangeably.

    Synonyms: boot sector

Synonyms & antonyms

nounA dedicated block usually at the beginning (first block on first track) of a storage medium that holds special data used to start a system. Some systems use a boot block of several physical sectors, while some use only one boot sector. Other manufacturers use the terms boot block and boot sector interchangeably.

Similar
boot sector
Also see
boot sector

Origin

From boot + block.

Full word history & related roots →

Translations

Chinese Mandarin 啟動塊 /启动块
  • 啟動塊 /启动块 (qǐdòngkuài)first block to start a system
Finnish käynnistyslohko
  • käynnistyslohkofirst block to start a system
Cite this entry
APA

boot block. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/boot%20block

MLA

“boot block.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/boot%20block. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “boot block,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/boot%20block.

Source: boot block on Wiktionary, CC BY-SA 4.0.