prelabrumn.

Brit.

/ˌpriːˈleɪbrəm/,

/ˌpriːˈlabrəm/, U.S.

/priˈleɪbrəm/,

/priˈlæbrəm/

Forms: 1800s praelabrum, 1900s– prelabrum.

Origin: Formed within English, by derivation. Etymons: pre- prefix, labrum n.¹

Etymology: < pre- prefix + labrum n.¹

Entomology.

In a dipteran fly: the clypeus, spec. the anterior or lower half of the clypeus.

ΚΠ

1890 Cent. Dict. Prælabrum, the clypeus or epistoma.

1928 F. W. Edwards in P. Lechevalier Encyclopédie Entomologique: Diptera IV. 177 Proboscis very short; excluding the clypeus (prelabrum) it is not much more than half as long as the height of the head.

2001 Rec. Austral. Mus. 53 123 Prelabrum very deep, ventrally much extended towards proboscis.

This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).

单词	prelabrum
释义	prelabrumn. Brit. /ˌpriːˈleɪbrəm/, /ˌpriːˈlabrəm/, U.S. /priˈleɪbrəm/, /priˈlæbrəm/ Forms: 1800s praelabrum, 1900s– prelabrum. Origin: Formed within English, by derivation. Etymons: pre- prefix, labrum n.¹ Etymology: < pre- prefix + labrum n.¹ Entomology. In a dipteran fly: the clypeus, spec. the anterior or lower half of the clypeus. ΚΠ 1890 Cent. Dict. Prælabrum, the clypeus or epistoma. 1928 F. W. Edwards in P. Lechevalier Encyclopédie Entomologique: Diptera IV. 177 Proboscis very short; excluding the clypeus (prelabrum) it is not much more than half as long as the height of the head. 2001 Rec. Austral. Mus. 53 123 Prelabrum very deep, ventrally much extended towards proboscis. This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022). < n.1890
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