What does sensu mean?

Question

I've come across this a lot in science papers.

Answer 1

sensu lato

(Science: zoology) In the broad sense i.e. Of a taxon - including all its subordinate taxa and/or other taxa sometimes considered as distinct

Answer 2

# a folding fan This Japanese invention is made by pasting paper, usually decorated with artistic pictures or calligraphy, onto a framework of bamboo sticks. Fans are used for Japanese dance, comic storytelling and other forms of entertainment.
www8.plala.or.jp/y-naka/jiten-s.html

# a folding fan, often intricately carved and decorated. sensu 'folding fan' products [+]
www.japanvisitor.com/jc/glossary.html

# a type of light, folding fan.
www.castlefinearts.com/main_glossary.htm

Answer 3

also:
sensu stricto -- strictly speaking, in a narrow sense