Translation

ramu means "Ram" in English.
It's a katakanization, a loan-word.

ramu is normally written with katakana, as ラム.
ramu written with hiragana is らむ.
ramu does not have kanji.
Romaji ra mu
Katakana
Hiragana

Further Reading

Wikipedia: ラム_(子羊) (Ram)
  1. Sheep - en.wikipedia.org, accessed .