Nehama (med_cat) wrote in 1word1day,

Friday word: crepuscular

cre·pus·cu·lar adjective \kri-ˈpəs-kyə-lər\

1: of, relating to, or resembling twilight : dim
2: occurring or active during twilight

As distinguished from vespertine, see here:


1. I am the very model of a modern entomologist.
I've information useful to a tropical biologist.
I've studied which antennal parts of silverfish are muscular
And know quite well exactly which mosquitoes are crepuscular.

(You can see the entire poem here:

2. Crepuscular rays:

(You can read more about them here:

Etymology: from Latin crepusculum, twilight.

First Known Use: 1668
Tags: adjective, c, latin, wordsmith: med_cat

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