1
counter
word usually written using kana alone
general-purpose counter
suffixed to Japanese numerals 1-9 (ひと, ふた, etc.)
2
counter
word usually written using kana alone
... years old
Other forms
個 【つ】 (rarely used kanji form)
1
conjunction
indicates two contrasting actions
form: ...つ...つ
2
particle
archaic
indicates possessive (often found in place names and compound words)
1
noun (common) (futsuumeishi)
Tsu (city in Mie)
2
suffix
harbour;harbor;port
1
particle
colloquial
called;known as;that
2
transitive verb
colloquial
only applies to
っつ
to say
1
adverb (fukushi)nouns which may take the genitive case particle 'no'
uno por uno;uno cada;uno a la vez
1
adverb (fukushi)nouns which may take the genitive case particle 'no'
one by one;one each;one at a time
メアリーは卵を一つずつ取り出した。
Mary took out the eggs one by one.
Other forms
一つづつ 【ひとつずつ】 · 一つ宛 【ひとつずつ】 (rarely used kanji form)