Defn: Of or pertaining to macrospores.

MACROTONE
Mac"ro*tone, n. Etym: [Gr. Macro-, and Tone.] (Pron.)

Defn: Same as Macron.

MACROTOUS
Ma*cro"tous, a. Etym: [Macro- + Gr. o"y^s, gen. 'wto`s, the ear.]
(Zoöl.)

Defn: Large-eared.

MACROURA; MACROURAL
Ma*crou"ra, n. pl., Ma*crou"ral (, a., etc. (Zoöl.)

Defn: Same as Macrura, Macrural, etc.

MACROZOOSPORE; MACROZOOESPORE
Mac`ro*zo"ö*spore, n. Etym: [Macro- + zoöspore.] (Bot.)

Defn: A large motile spore having four vibratile cilia; — found in certain green algæ.

MACRURA
Ma*cru"ra, n. pl. Etym: [NL., fr. Gr. (Zoöl.)