actinostome

noun

ac·​tin·​o·​stome

ak-ˈti-nə-ˌstōm

plural -s

1

: the mouth of a radially symmetrical animal

2

: the peristome of an echinoderm

Word History

Etymology

actin- + -stome

First Known Use

1860, in the meaning defined at sense 1

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Rhymes for actinostome

• acrosome
• aerodrome
• catacomb
• centrosome
• chromosome
• cytochrome
• hippodrome
• honeycomb
• liposome
• meerschaum
• metronome
• microtome