Word Direct Answers

peristome

peristome is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

1.(Zoöl.) (a) The lip, or edge of the aperture, of a spiral shell. (b) The membrane surrounding the mouth of an invertebrate animal.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

What does "peristome" mean?

Reverse-dictionary questions

Definition-first questions whose answer is peristome.

What is (a) The lip, or edge of the aperture, of a spiral shell. (b) The membrane surrounding the mouth of an invertebrate animal called?

Sources

Definitions: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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