noun:

• anniversary of a person's death (on which Buddhist commemorative rites, etc. are performed) ➜ 命日【めいにち】
• 49th day after a person's death, on which Buddhist rituals are performed ➜ 七七日

noun:

• user name (on an online forum like 2ch where the majority of users post anonymously) - slang - abbreviation ➜ 固定ハンドル
• user who uses a online handle (instead of posting anonymously); namefag - slang - abbreviation ➜ 固定ハンドル

noun:

• current product (currently available or on the market); existing product

noun:

• paid volunteer work (e.g. on a farm); work which is not done primarily to earn money - from ボランティア and アルバイト - abbreviation

noun / ~する noun:

• women picking up men (on the street) - from 逆+ナンパ - slang

noun:

• losing a decision (on points)

noun:

• nut (on the head of a shamisen, supporting the second and third strings)

noun:

• Bird Day Fair (held at Otori Shrine on each Day of the Bird in November) - archaism ➜ 酉の市

noun:

• purple spot (on a plant)

noun:

• contract (entered into on the basis of a promise or previous agreement); formal agreement; contract at hand

noun:

• nursing care level (between 1 and 5 based on assessment of care requirements) ➜ 要介護

noun:

• collecting bones and remains (e.g. on a battlefield)
• putting cremated remains in an urn

noun:

• drawstring (e.g. on a bag)

godan ~る verb / intransitive verb:

• to shuffle (on one's bottom or knees); to crawl
• to shift position (of an object)

noun:

• boundary mark (on land or water)

noun:

• bar (e.g. on a door); bolt

noun:

• extractor mark (on a cartridge) ➜ 蹴子痕

noun:

• any duck with white specula (bright patches on the wings) - obscure term ➜ 羽白

expression / godan ~す verb:

• to feast one's eyes (on)

noun:

• ceremonial bonfire (seeing off the spirits on the final night of O-Bon)

noun:

• yellow sand phenomenon (dust carried on high winds from China) ➜ 黄砂

noun / ~の noun:

• plantigrade (walking on the soles of the feet)

noun:

• nut (on the head of a shamisen, supporting the second and third strings) - obscure term ➜ 上駒

noun:

• "day of the ghost" (an extremely auspicious day on the lunar calendar for everything but weddings) ➜ 暦注

noun:

• burning of New Year's gate decorations (usu. on the 15th day of the New Year)