| AUTODIALS | • autodials v. Third-person singular simple present indicative form of autodial. • AUTODIAL v. to dial a telephone number automatically. |
| AUTODROME | • autodrome n. A circuit used for motor sports events, but not for high-speed racing. • AUTODROME n. a track or circuit for racing cars, go-karts, etc. |
| AUTODYNES | • autodynes n. Plural of autodyne. • AUTODYNE n. a type of electrical circuit. |
| CERATODUS | • CERATODUS n. (Greek) a genus of ganoid fishes, with lungs so well developed that they can leave the water and breathe in air. |
| CHAETODON | • chaetodon n. Butterflyfish (of the genus Chaetodon). • Chaetodon prop.n. A taxonomic genus within the family Chaetodontidae – the butterflyfishes. • CHAETODON n. any fish of the tropical genus Chaetodon, having slender teeth. |
| CUSTODIAL | • custodial adj. Providing protection, care, supervision or guarding. • custodial adj. Of, pertaining to or providing custody, especially of a child. • custodial adj. Providing punishment by incarceration. |
| CUSTODIAN | • custodian n. A person entrusted with the custody or care of something or someone; a caretaker or keeper. • custodian n. (US, Canada) a janitor; a cleaner. • CUSTODIAN n. a person who has care such as of a public building, also CUSTODE, CUSTODIER. |
| CUSTODIER | • custodier n. (Scotland) A custodian. • CUSTODIER n. a person who has care such as of a public building, also CUSTODE, CUSTODIAN. |
| CUSTODIES | • custodies n. Plural of custody. • CUSTODY n. guardianship. |
| ECTODERMS | • ectoderms n. Plural of ectoderm. • ECTODERM n. the external layer of an embryo, also EXODERM. |
| ENTODERMS | • entoderms n. Plural of entoderm. • ENTODERM n. the innermost layer of embryo, also ENDODERM. |
| MASTODONS | • mastodons n. Plural of mastodon. • Mastodons n. Plural of Mastodon. • MASTODON n. a large extinct mammal resembling the elephant, also MASTODONT. |
| MASTODONT | • mastodont n. Alternative form of mastodon. • MASTODONT n. a large extinct mammal resembling the elephant, also MASTODON. |
| NEMATODES | • nematodes n. Plural of nematode. • NEMATODE n. a parasitic worm with an unsegmented, cylindrical body. |
| PHOTODISK | • photodisk n. (Astronomy) The circular area of an astronomical object that emits light. • PHOTODISK n. a disk for use in a computer that contains photographs or can have photographs stored on it in a digitally coded manner. |
| PROCTODEA | • proctodea n. Plural of proctodeum. • PROCTODEUM n. the posterior portion of the alimentary canal, also PROCTODAEUM. |
| PROTODERM | • protoderm n. (Botany) the primary meristem from which the epidermis develops. • PROTODERM n. the dermatogen, the nascent epidermis, or external cuticle of plants in a forming condition. |
| STODGIEST | • stodgiest adj. Superlative form of stodgy: most stodgy. • STODGY adj. boring. |
| TREMATODE | • trematode n. (Zoology) a parasitic flatworm of the class Trematoda. • TREMATODE n. a kind of parasitic flatworm, also TREMATOID. |