Also 7 lamda. [Gr. λάμβδα (or λάβδα).]
1. The 11th letter of the Greek alphabet, Λ, λ.
c. 1400. Maundev. (1839), iii. 20. Thei clepen hem … α Alpha … κ Kappa, λ Lambda.
1603. Holland, Plutarch’s Mor., 1324. Whether in the Future tense it [the verb βάλλω] should lose one of the two Lamdaes?
1799. Kirwan, Geol. Ess., 285. The calcareous mountains of Savoy are often arched like a lambda.
2. Anat. ‘The point of junction of the sagittal and lambdoidal sutures’ (Syd. Soc. Lex., 1888).
[c. 1400. Lanfranc’s Cirurg., 109. A boon þe which is clepid alauda. (The Latin has: ad modum literæ laudæ grecæ.)]
3. Lambda moth, a moth so called from a mark on its wings, resembling the letter (Webster, 1890).
1798. Nemnich, Polyglot Lex. Nat. Hist., Eng., Lambda moth, Phalaena gamma.
