1. katakana - Noun
2. Katakana - Proper noun
(uncountable) A Japanese syllabary used when writing words borrowed from foreign languages other than Chinese, specific names of plants and animals and other jargon, onomatopoeia, or to emphasize a word or phrase. Also used to write the Ainu language.
A character thereof.
Katakana
Alternative spelling of katakana
Adding to the confusion, the labels are written in Kanji, Hiragana, or Katakana. Source: Internet
Although bopomofo characters are reminiscent of katakana script, there is no source to substantiate the claim that Katakana was the basis for the zhuyin system. Source: Internet
Both approaches conceal the fact, though, that many consonant-based katakana signs, especially those canonically ending in u, can be used in coda position, too, where the vowel is unvoiced and therefore barely perceptible. Source: Internet
Although words borrowed from ancient Chinese are usually written in kanji, loanwords from modern Chinese dialects which are borrowed directly use katakana rather than the Sino-Japanese on'yomi readings. Source: Internet
Additionally, there are halfwidth equivalents to the standard fullwidth katakana. Source: Internet
Both katakana and hiragana usually spell native long vowels with the addition of a second vowel kana, but katakana uses a vowel extender mark, called a chōonpu ("long vowel mark"), in foreign loanwords. Source: Internet