大砲（たいほう、taihou）
- cannon

The Japanese word 大砲 (たいほう) means "cannon" or "artillery." It refers to a large, usually heavy, gun that is used to fire projectiles over a long distance. 大砲 are typically used in warfare, but can also be found in historical contexts or as decorative pieces. The term encompasses a range of artillery pieces, varying in size, power, and the type of projectile fired.

⚫︎ あの城にはたくさんの大砲があった。 Translation: There were many cannons in that castle. ⚫︎ 戦場で大砲の音が響き渡った。 Translation: The sound of cannons echoed across the battlefield. ⚫︎ 博物館で古い大砲を見学した。 Translation: I saw an old cannon at the museum.

You can use 大砲 when talking about historical battles, military strategy, or even in describing a historical site or museum display. It is used to describe the object itself, rather than the act of firing it. It is a noun. You would not use it to describe a small handheld firearm; for that, you'd use a word like 銃 (juu – gun).

大砲 is written in kanji and has a reading of たいほう in hiragana. There are no other common ways to write this word and no variations in the okurigana. It is consistently written 大砲.

⚫︎ 砲 (hou) - This is a more general term for "gun" or "cannon." ⚫︎ 火砲 (kahou) - A general term for artillery.

There aren't direct antonyms for 大砲 in the sense of a completely opposite item, but words related to smaller firearms or less destructive weaponry could be considered indirectly contrasting. ⚫︎銃 (juu - gun) - a small firearm

戦争映画で、大砲が激しく発射されていた。 ・Translation: In the war movie, cannons were being fired fiercely. ・Explanation: This sentence describes the action of firing cannons in a war movie setting.

歴史の授業で、江戸時代の大砲について学んだ。 ・Translation: In history class, we learned about cannons from the Edo period. ・Explanation: This sentence indicates that the topic of the class was related to the cannons from the Edo period.

The word 大砲 is a compound word. 大 (dai/oo) means "big" or "great," and 砲 (hou) means "gun" or "cannon." So, literally, 大砲 means "big gun" or "great gun," reflecting the size and power of these weapons.