Nihoner
表層形
皇太子
コータイシ
名詞

皇太子 (コータイシ)

Koutaishi · こーたいし — crown prince

Other ways to say “crown prince” in Japanese →

皇太子 in rōmaji: koutaishi, also spelled kotaishi.

名詞 普通名詞 一般 *
🔤 * 📐 *
Updated: 2026年8月13日
📖 Grammar Information
表層形 (Surface)
皇太子
読み (Reading)
コータイシ
品詞 (POS)
名詞・普通名詞・一般・*
活用型 (Conj. Type)
*
活用形 (Conj. Form)
*
表記 (Orthography)
皇太子
読み・基本形
コータイシ
表記・基本形
皇太子
見出し語の読み
コウタイシ
💡 English Meaning

皇太子 means “crown prince” — full definition & examples →

🃏 Flashcard — Test Yourself
Can you read this?
皇太子
👆 Tap to reveal reading & info
Reading & Info
コータイシ
名詞普通名詞一般*
👆 Tap to flip back
💡
Did you know · 名詞
名詞 (nouns) are the backbone of Japanese sentences. They can be combined with particles like が, を, に, で to indicate grammatical role.
🔍 Explore More Words
語
❓ About this entry
What is the difference between surface form and lemma? ▼
The surface form (皇太子) is the exact text as it appeared in the corpus — it may be conjugated or inflected. The lemma (皇太子) is the dictionary base form. For example, 食べた (surface) has the lemma 食べる.
What does the reading (pron) field mean? ▼
The reading shows the pronunciation in hiragana or katakana as recorded by UniDic. For kanji entries this is the standard reading of this specific surface form — which may differ from other readings of the same kanji.
What is UniDic? ▼
UniDic is a comprehensive Japanese lexicon developed by the National Institute for Japanese Language and Linguistics (NINJAL). It provides detailed morphological information for modern Japanese words, used in NLP tools like MeCab.
How do I save this entry? ▼
Click the ★ save button in the word card above (you need to be logged in). Saved entries appear in your personal Saved Dictionary page for quick review later.