What's the adjective for siphoids? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs siphon and syphon which may be used as adjectives within certain contexts.
siphonostomatous
(zoology) Having the front edge of the aperture of the shell lengthened in the shape of a channel for the protection of the siphon; said of certain gastropods.
“The individuals of the colony are called zooids and many zooids with individual siphonal openings cover the surface of the colony.”
“Its anterior siphonal notch is shallow and not adjacent to the columella, and its two nearly parallel folds strengthen within the aperture and are less visible exteriorly.”
“Below it is the more fleshy languette or curtain valve which closes the incurrent siphonal opening when required.”
“The siphonic rainwater disposal system and the central valley gutter are always likely to be a cause of water penetration without regular and routine maintenance.”
“The installation of four siphonic spillways to ensure rapid discharge of water during a flood was a notable feature.”
“Siphonic drew the rail, and he will have jockey Mike Smith in the irons.”
