まんねんひつ万年筆mannenhitsuまんねんぴつ万年筆mannenpitsuまんねんふで万年筆mannenfude
1.
A portable writing instrument that contains an ink reservoir allowing ink to flow to the nib when in use, creating a smooth writing experience.
2.
A type of pen designed to deliver ink to the writing tip through capillary action, allowing for continuous writing without the need for frequent refills or replacements of ink.
Example:
新しい万年筆をなくしてしまった。