-a-

interfix, conj, infix — 5 senses

-a-

interfix

Etymology From of a (as in half-a-crown) or of (as in jack-a-napes from Middle English Jak of Naples). Some terms have fully incorporated the use, as ragamuffin and jackanape(s); others arise from mistaken assimilation to the form, as all-a-gog and cock-a-leekie.

1

Morpheme Connective interfix used in forming compounds, often no longer carrying a distinct meaning.

Derived terms
blackamoor, cock-a-hoop, cock-a-leekie, half-a-crown, jack-a-dandy, jack-a-lantern, Jack-a-Lent, jack-a-napes, jackanape, John-a-dreams, ragamuffin

-a-

conj

Etymology From earlier a (attested by the 14th c.), as a contraction of and and its various Middle English forms.

1

And

  • Chem a laced well-a-fine aread1746, Exmoor Scolding, 3rd edition, section 81:

-a-

infix

Etymology From French à (“various prepositions”) and related prepositions in other Romance languages. Also from related misunderstandings, as all-a-mort from French à la morte.

1

Morpheme Connective infix encountered in loanwords and phrases, generally no longer carrying a distinct meaning.

Derived terms
all-a-mort, mano-a-mano, vis-a-vis

-a-

infix
1

Chemistry, Natural sciences, Physical sciences Morpheme Replacing carbon, especially in a ring.

-a-

infix

Etymology Clipping of rat.

1

Medicine, Pharmacology, Sciences Morpheme A monoclonal antibody derived from a rat.

Related terms
-mab is the base suffix common to all monoclonal antibodies

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.