head casen.1
/ˈhɛd ˌkeɪs/, U.S. /ˈhɛd ˌkeɪs/ Entomology. Now rare.
The part of a chrysalis which covers the head of a developing insect.
ΚΠ
1826 W. Kirby & W. Spence Introd. Entomol. III. 249 The Head-case covers and protects the head of the inclosed imago.
1893 Bull. Amer. Mus. Nat. Hist. 5 243 Head-case with two projections directed forward.
1922 Entomol. News 33 309 A few fuscous hairs, clavate and sharply bent, on edges of head case.
1975 W. H. Howe Butterflies N. Amer. 200 The head case is elongated to form two horn-like protuberances.
This entry has been updated (OED Third Edition, June 2013; most recently modified version published online March 2022).
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n.11826- oesophagoplegia
- oesophagoplegy
- oesophagorrhagia
- oesophagorrhagy
- oesophagoscope
- oesophagoscopic
- oesophagoscopy
- oesophagospasm
- oesophagostomy
- oesophagotome
- oesophagotomy
- oesophagus
- oesophaguses
- oestradiol
- oestradiols
- oestral
- oestrane
- oestrin
- oestrins
- oestriol
- oestriols
- oestrogen
- oestrogen effect
- oestrogen excretion
- oestrogen ointment