There are 2 definitions of interline in English:

interline1

Syllabification: in·ter·line
Pronunciation: /ˌintərˈlīn
 
/

verb

[with object]
Insert words between the lines of (a document or other text): the writing was overwritten and interlined by many hands

Origin

late Middle English: from medieval Latin interlineare, from inter- 'between' + Latin linea 'line'.

Definition of interline in:

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Word of the day apposite
Pronunciation: ˈapəzɪt
adjective
apt in the circumstances or relation to something

There are 2 definitions of interline in English:

interline2

Syllabification: in·ter·line
Pronunciation: /
 
ˌintərˈlīn/

verb

[with object]
Put an extra lining between the ordinary lining and the fabric of (a garment, curtain, etc.), typically to provide extra strength.

Definition of interline in: