老

Formal or literary term

long-established shop; shop of long standing; old shop

shrimp-shaped taro variety

(theatrical) role of old person

historical or legendary practice of abandoning old people in the mountains, etc.

Japanese lobster (Metanephrops japonicus)

growing old together

gammaridean amphipod (any small, shrimp-like crustacean of suborder Gammaridea)

Mahjong

terminals; suited tiles numbered 1 or 9

angular Solomon's seal (Polygonatum odoratum); scented Solomon's seal

aging; ageing

geriatric diseases

sea squirt; ascidian

Calanthe discolor (species of orchid)

whiskered velvet shrimp (Metapenaeopsis barbata); red rice prawn

gerontology

blunt slipper lobster (species of shovel-nosed lobster, Scyllarides squammosus)

Medicine

presbyopia; age-related longsightedness; age-related farsightedness

Indian bait prawn (Palaemon pacificus)

Mahjong

winning hand consisting only of terminal and honor tiles

tadpole shrimp (Triopsidae spp.); shield shrimp

kangaroo shrimp (Glyphus marsupialis)

shiba shrimp (prawn, Metapenaeus joyneri)

Colloquial

crayfish (esp. red swamp crayfish, Procambarus clarkii)

old folks' home