Sylph'id noun [ French sylphide , fem. See Sylph .] A little sylph; a young or diminutive sylph. 'The place of the sylphid queen.' J. R. Drake. « Ye sylphs and sylphids , to your chief give ear, Fays, fairies, genii, elves, and demons, hear.» Pope. Found on http://www.encyclo.co.uk/webster/S/262