geminate (Noun) — A doubled or long consonant. ex. "the 'n' in 'thinness' is a geminate"
geminate (Verb) — (linguistics) form by reduplication. ex. "The consonant geminates after a short vowel"
geminate (Verb) — Occur in pairs.
geminate (Verb) — Arrange in pairs. ex. "geminate these numbers"
geminate (Verb) — Arrange or combine in pairs. ex. "The consonants are geminated in these words"