musk ox

silkworm gut, fishing gut; silk from the juvenile giant silkworm moth Eriogyna pyretorum (Saturnia (Saturnia) pyretorum) / synthetic polyamide threads such as nylon used in place of silkworm gut

(colloquial) A particle used to add emphasis to a noun and imply that it is a classic example of something.

tsukubai (small basin used in Buddhist ritual ablution and before the tea ceremony)